Adjustable Step-Up Box Buying Guide

Functional fitness and HIIT aren't fringe programming anymore. They're the core revenue drivers for commercial facilities, the primary modality in sports performance centers, and a growing part of rehabilitation protocols in PT and chiropractic clinics. And sitting at the center of all three is a piece of equipment that most facility managers still underspec: the adjustable step up box.

Here's the market reality: according to Market Intelo's Plyometric Box Market Research Report, the global plyometric box market was valued at $0.4 billion in 2025 and is projected to reach $0.65 billion by 2034 — a 5.8% CAGR. That outpaces the broader commercial fitness equipment market, which is growing at 4.53% over the same period. Functional training equipment is moving faster than the category average. Facilities that haven't updated their plyo box inventory are already behind the procurement curve.

Buying more boxes isn't the answer, though. Buying the right adjustable step up box — one that replaces three or four fixed-height units, serves beginners through advanced athletes, and meets NSCA safety standards — is the answer.

This guide gives commercial facility managers, studio operators, and PT/rehab clinicians a specific framework for making that call. We'll cover material types and their trade-offs, height range requirements for different populations, NSCA compliance specs, flooring requirements, and the exact buyer's checklist that separates a commercial-grade unit from a box that'll fail under daily institutional use.

Two audiences, two sets of decision drivers. Commercial operators need durability, ROI, and space efficiency. Rehab clinicians need patient safety, infection control, and clinical-grade adjustability. This guide addresses both — because the right box for a CrossFit studio and the right box for an ACL recovery protocol aren't always the same unit.

Why the Adjustable Step Up Box Is Replacing Fixed-Height Boxes in Commercial Facilities

The operational problem with fixed-height boxes is straightforward. To serve all user tiers in a commercial setting — beginners, general members, and advanced athletes — you need boxes at 12", 16", 20", and 24". As noted by Skelcore's research on standard plyo box heights, that four-height range gives a robust offering for commercial programming. Four units, four storage footprints, four purchase orders, four items on your equipment inspection checklist.

An adjustable plyo box collapses that into one unit.

One footprint. One purchase. One inspection item. And the same height range covered. From a distributor perspective, the shift from fixed-height to adjustable plyo box procurement is one of the clearest ROI upgrades in functional training equipment. Facilities that spec four fixed boxes are paying more per height option, consuming more floor space, and creating more inventory management overhead than facilities that spec two to four adjustable units with equivalent height coverage.

The clinical argument for adjustability goes deeper than storage. The NSCA distinguishes plyometric training volume by experience level — beginners should perform 80–100 foot contacts per session, with volume scaled up for intermediate and advanced athletes, according to NSCA guidelines via the Athletic Performance Training Center. A beginner working at 12" is a fundamentally different physiological demand than an advanced athlete training at 24". To serve both populations safely and effectively, you need the height range. An adjustable box delivers that without requiring separate equipment sets or separate training areas.

The 2026 ACSM Resistance Training Guidelines, as summarized by Move Your Bones PT, explicitly validate explosive jump variations — box jumps, depth jumps — as effective power development tools at moderate loads (30–70% 1RM intent) across skill levels. That clinical validation matters for commercial programming directors and for PT clinics building return-to-sport protocols. It means adjustable height isn't just a convenience feature. The ability to match box height to an athlete's readiness level is a programming variable with measurable physiological consequences.

For PT and rehab clinics specifically, the ROI case is equally strong. A post-surgical patient recovering from ACL reconstruction begins step-up progressions at 4"–6". A return-to-sport athlete six months out is stepping up at 20"+. Without an adjustable unit, you're purchasing specialized clinical step platforms for the early-phase work AND separate plyometric equipment for the late-phase work. An adjustable step up box serves that entire continuum from a single footprint — which is a significant advantage in a clinical space where every square foot has a cost.

Market data supports this directional shift. According to Market Intelo, the rise of data-driven fitness programs that measure performance metrics — jump height, ground contact time, sprint splits — has created demand for standardized, durable plyometric equipment that maintains consistent dimensions across training sessions. That data-integrity requirement favors adjustable units with fixed, verified height settings over improvised stacking arrangements or worn fixed boxes that have shifted from their original geometry.

The Legend Fitness 3206 Advanced Plyo Box Set at $1,939 is a useful commercial benchmark here. Divided across its height configurations, the cost-per-height-setting comparison against purchasing four separate fixed boxes typically favors the multi-unit or adjustable approach — both in initial outlay and in long-term storage and maintenance overhead.

For facility managers building out a complete functional training zone, the adjustable plyo box decision doesn't exist in isolation. Unilateral training tools — including slant boards for single-leg strength development — are complementary equipment in the same zone. The Slant Board Training Guide for Commercial Facilities covers that equipment category in detail for operators planning a full functional training footprint.

Foam vs. Wood vs. Steel: Choosing the Right Adjustable Plyo Box Material for Your Environment

Material type is where most purchasing decisions go wrong — not because operators pick bad products, but because they pick the right product for the wrong environment. As noted by BodySpec's plyo box guide, the three primary material categories are foam, wood, and steel. Each serves a different use case, and the trade-offs are real.

Soft Foam (Vinyl-Covered High-Density Foam)

Foam boxes are the correct primary choice for group training environments, beginner-heavy populations, and PT/rehab clinics. The safety case is specific: when an athlete misses a landing on a foam box, the result is a slide rather than a trip. On a hard wood or steel edge, a missed landing means the foot catches a rigid corner — a meaningfully different injury outcome. For clinical environments where patients may have compromised balance, proprioception deficits, or post-surgical movement limitations, that distinction isn't abstract. It's a liability and a care-quality issue.

Sanitation is the other clinical argument. Vinyl surfaces wipe clean with standard hospital-grade disinfectants — fast, complete, and compatible with infection control protocols. For any facility where multiple patients use the same equipment in succession, this matters more than any other spec.

Foam boxes are also lighter than their wood or steel counterparts, which makes staff repositioning between patients or circuits faster and less physically demanding. According to BLK BOX Fitness's plyo box buying guide, soft foam boxes are often easier to move or stack, making them ideal for flexible training spaces where equipment layout changes between sessions.

Trade-off: foam degrades faster than wood or steel under heavy commercial use, particularly at seam points. Assess vinyl cover thickness and seam reinforcement before purchasing. A foam box with a thin vinyl cover will split at the corners within 12–18 months of heavy daily use.

Wood (3-in-1 Design)

Traditional wood plyo boxes use a 3-in-1 design — standard dimensions are 20" x 24" x 30", rotated to deliver three height options. The Legend Fitness 3210 3-in-1 Wood Plyo Box is a well-regarded commercial example of this format, with weight capacity running high, up to 500 lbs for heavy-duty wood construction — a legitimate advantage for performance centers serving larger athletes or using weighted plyometric variations.

The stability of a solid wood box under heavy plyometric loading is real. For advanced athletes performing high-intensity box jumps, the rigidity of wood provides a more stable landing platform than foam.

Two significant trade-offs. First, wood surfaces are porous — they cannot be effectively sanitized for clinical use. Wiping a wood surface removes surface contamination but does not penetrate the material. For any PT or rehab setting, wood boxes are not appropriate primary equipment. Second, the 3-in-1 design provides only three coarse height options (20", 24", 30"). For rehabilitation progressions that require incremental loading in 2" steps, this is clinically inadequate.

Steel (Welded Adjustable)

Welded steel adjustable boxes represent the highest commercial durability standard. Weight capacities for adjustable steel configurations typically run 300–400 lbs — lower than heavy-duty wood at maximum load, but sufficient for the vast majority of commercial programming. Steel surfaces wipe clean more effectively than wood, though operators should verify chemical compatibility between cleaning agents and the specific powder coat finish.

One genuine trade-off: steel boxes are noisy under heavy use. Repeated high-impact box jumps on a steel platform generate significant sound transfer — relevant for shared-wall studio environments, clinical settings where patient comfort matters, or any facility with noise ordinance constraints. This isn't a reason to avoid steel; it's a factor to weigh against your specific environment.

For performance centers and high-volume commercial gyms, welded steel adjustable boxes are the correct primary choice for plyometric zones. For group fitness floors and beginner circuits within the same facility, foam boxes serve as appropriate secondary units.

On inspection compliance across all three material types: per NSCA CPT Chapter 24 standards, tops and bottoms of all plyometric equipment must be nonslip and checked monthly for excessive wear, and all equipment must be inspected for cracks and tears. Foam degrades at seams and cover edges. Wood develops cracks and splinters. Steel can develop weld fractures under repeated high-impact loading. The material determines what you're inspecting for — not whether you're inspecting.

Adjustable Plyo Box Comparison: Foam vs. Wood vs. Steel at a Glance

The table below is a quick-reference decision tool for operators and clinicians evaluating material type against their specific environment. Use it alongside the detailed section above — not as a replacement for it.

Most commercial operators benefit from a mixed inventory rather than a single material choice. Steel adjustable boxes for performance and primary training zones, foam for group fitness floors and clinical use — that split covers the full range of populations and use cases without over-speccing in one direction.

How to Select the Right Adjustable Step Up Box Height Range for Your Programming

Height selection isn't a preference call. It's a programming decision with physiological consequences.

According to Skelcore's standard plyo box heights guide, the framework for commercial facilities breaks down as follows: 12"–16" for step-ups, rehabilitation progressions, and depth jumps; 20" for general power and agility work (the most-used height in commercial settings); 24" for intermediate-to-advanced plyometrics; and 30" for elite athletic performance centers only. Standard adjustable plyo boxes typically offer four height settings covering this 12"–24" range in a single unit.

The NSCA's volume framework maps directly to these height tiers. Beginners performing 80–100 foot contacts per session, as recommended by NSCA guidelines, should work at 12"–16" maximum. Intermediate athletes progress to 20". Advanced athletes access 24"+. This isn't arbitrary. The height determines the demand placed on the stretch-shortening cycle, and matching that demand to the athlete's readiness level is the difference between productive training and injury risk.

The stretch-shortening cycle — the rapid eccentric loading followed by concentric contraction that drives plyometric adaptation — is the mechanical core of why box height matters. When an athlete steps off or lands from too high a box for their current strength and neuromuscular control, the eccentric demand exceeds their capacity and compensated mechanics result. They're not training the stretch-shortening cycle efficiently; they're loading poorly controlled landing patterns. Height selection is therefore a clinical decision even in non-clinical settings, which is why facilities that serve mixed populations need the full adjustable range rather than a single fixed height.

For PT and rehab clinics, the height argument is even more specific. Post-surgical patients recovering from ACL reconstruction or hip replacement typically begin step-up protocols at 4"–6" and progress in 2" increments — a standard physical therapy loading progression. A standard 3-in-1 wood box with its coarse 20"/24"/30" options is completely inadequate for this application. A true adjustable step up box offering fine-increment height settings is clinically meaningful here, not just more versatile. It allows the clinician to control loading variables with precision, which is exactly what evidence-based rehabilitation requires.

For commercial gyms, the minimum height range for a complete offering is 12" through 24". A facility without a 12"–16" option is excluding beginners and rehabilitation populations from plyometric programming entirely. A facility without a 24" option is capping its advanced member programming unnecessarily.

The 30" box is worth addressing directly. Skelcore notes that athletic performance centers serving elite athletes may add a 30" option to push beyond standard plyometric intensities safely. The operative word is "elite." A 30" box is not appropriate as general membership equipment. It should be stocked only in facilities with CSCS-credentialed staff on-site and a pre-screening system for athletic readiness. Placing a 30" box on a general commercial gym floor without that infrastructure is an injury liability, not a programming asset.

One scheduling implication that directly affects group fitness programming: NSCA guidelines limit plyometric training to two sessions per week, with at least one full rest day between sessions. Plyo box circuits should not run on back-to-back days — this is a recovery requirement, not a preference. For facility managers building class schedules, this means plyometric circuit days need deliberate spacing, which in turn affects how many dedicated plyo box stations you need to serve your membership volume within that constrained schedule. Complementary recovery tools — including compression therapy for post-training muscle recovery — can support member throughput; the Normatec Boots for Commercial Gyms guide covers the ROI case for adding recovery equipment alongside functional training zones.

For operators planning the spatial layout of a dedicated plyometric zone within a larger facility, the Commercial Weight Room Layout guide at Blue Sky Fitness Supply covers zone-by-zone planning in detail. Athletic directors and school facility managers working within budget constraints will find the School Weight Room Budget guide a useful procurement companion — both are available in the Blue Sky Fitness Supply blog.

The Flooring Factor: Why Your Commercial Plyometric Box Setup Requires the Right Surface

The box is half the equation. The floor underneath it determines whether your plyometric zone is safe, effective, and compliant — or just aesthetically functional.

The specification is not a general recommendation. For plyometric zones, rubber flooring must be a minimum of 20mm thick. High-impact and heavy functional circuit areas may require up to 40mm. This comes directly from commercial flooring standards, as documented by Gym-Flooring.com's guide on surfaces for high-impact workouts. Rubber flooring is also superior to solid PVC for impact absorption and durability in high-use commercial environments — PVC tiles degrade faster under repeated high-impact loading and provide less energy return management at the surface.

The reason this matters goes beyond injury prevention. As noted in NSCA CPT Chapter 17, plyometric surfaces must balance shock absorption with firmness. A surface that is too soft — foam tiles, carpet, or thin interlocking rubber — impairs the eccentric-to-concentric transition that drives plyometric adaptation. The stretch-shortening cycle requires a surface that rebounds energy appropriately. Too much give and the athlete loses the elastic energy return that makes plyometric training physiologically effective. This is a performance argument, not just a safety checkbox.

Rubberflooring4U's plyometric flooring guide documents the other end of the spectrum: hard, unforgiving surfaces — concrete, thin tile, standard hardwood — increase joint stress and raise injury risk on landings. The knee and ankle joints absorb disproportionate impact on hard surfaces because there's no energy dissipation at the floor level. Over time, that cumulative load adds up to overuse injury risk for your athletes and patients alike.

For PT and rehab clinics, rubber flooring carries additional operational advantages. It's easier to sanitize than carpet, more durable under equipment rolling and repositioning, and OSHA-compliant for slip resistance in a way that foam interlocks are not. Clinics that invest in proper rubber flooring once rarely revisit that decision — it's a long-cycle purchase that pays forward for years.

At Blue Sky Fitness Supply, we see operators make the mistake of purchasing plyometric boxes and flooring through separate procurement cycles — then discovering the flooring spec doesn't match NSCA zone requirements after the boxes arrive. Planning both as a single plyometric zone package — box selection, flooring thickness, and landing clearance together — eliminates this mismatch and ensures the full system is compliant and effective from day one.

On landing clearance: a plyometric zone for group training requires a minimum of 36" of clearance around each box for safe takeoff and landing. Factor this into how many boxes a given floor area can realistically accommodate. An adjustable box's single unit footprint — versus the four-box fixed-height set it replaces — directly affects how many athletes can train simultaneously in a given space. More efficient footprint per height option means more stations per square foot, which matters for class capacity and member throughput.

For operators managing outdoor or aquatic facility flooring adjacent to plyometric zones, the Rubber Pool Deck Pavers Safety Guide covers surface safety standards for those adjacent areas.

What to Look for in a Commercial-Grade Adjustable Plyo Box: Specs That Actually Matter

This is a buyer's checklist for commercial operators and PT clinics. Not a consumer guide. The criteria below reflect institutional use — daily volume, multiple users, inspection requirements, and long-term total cost of ownership.

Weight Capacity

The hard floor for any commercial setting is 300 lbs. No exceptions. Units rated for home use often cap at 250 lbs — that's not a commercial spec, regardless of how the product is marketed. Performance centers serving higher-bodyweight athletes, or facilities using weighted plyometric variations, should target 400–500 lbs. Know your population's weight distribution before finalizing a spec. Commercial plyo box weight capacities typically range from 300 lbs for steel adjustable units to 500 lbs for heavy-duty wood construction.

Nonslip Surface — Top and Base

Per NSCA CPT Chapter 24, both tops and bottoms of plyometric equipment must be nonslip. This is a compliance requirement, not a preference. Verify that the nonslip surface is integral to the material — textured steel, vulcanized rubber grip — rather than an adhesive anti-slip pad applied as an afterthought. Adhesive nonslip additions degrade under heavy use, peel at the edges, and can themselves become a trip hazard as they lift. An integral nonslip surface is a durable one.

Adjustability Mechanism

Three common mechanisms: pin-lock, bolt-adjust, and foam modular stacking. For commercial settings, pin-lock or integrated height adjustment is the preferred spec — height transitions between sets or between users are fast, tool-free, and consistent. Bolt systems require tools and introduce user error; in a busy gym environment, an improperly tightened bolt is a structural safety concern. Foam modular boxes adjust by adding or removing foam sections, which is quick, but assess the durability of connection points under repeated use and weight loading before committing to a large-volume purchase. The Legend Fitness 3310 Adjustable Step-Up Box is a purpose-built commercial example of the adjustable format, engineered for the institutional use conditions described here.

Inspection Compliance

The unit must be free of cracks, sharp edges, and tears at every inspection cycle. For steel boxes, welded frame construction is the commercial standard — bolted frame construction introduces failure points at fastener locations under repeated impact loading. For foam units, assess vinyl cover thickness at the seams and corners, where failure initiates. A cover that splits at the seam becomes a slip hazard immediately and must be taken out of service.

Footprint and Storage

An adjustable box eliminates the multi-box storage problem, but verify the unit's collapsed or nested footprint against your actual storage layout before ordering multiple units. For facilities running four to eight boxes, stackability matters — units that don't nest or stack force floor storage that consumes training space. For commercial facilities evaluating how plyometric storage integrates with the broader equipment floor plan, the Dumbbell Rack Buyer's Guide for Commercial Facilities covers analogous space-planning and procurement decisions for adjacent free-weight zones.

Sanitation (PT/Rehab Priority)

Vinyl-covered foam wipes clean with standard disinfectants — the fastest and most complete sanitation option for clinical environments. Powder-coated steel can be wiped effectively, but verify chemical compatibility between your facility's preferred disinfectant and the specific coating. Some quaternary ammonium disinfectants can degrade certain powder coat finishes over time. Wood is not appropriate for clinical sanitation requirements — the surface is porous and cannot be adequately disinfected between patients.

Warranty Terms

Minimum commercial warranty for any plyo box purchase should be one year. Premium commercial units carry stronger coverage. Read both the foam cover warranty and the structural component warranty separately — they often differ, and covers tend to carry shorter terms than frames. Know what you're getting on both components before signing a purchase order.

When facilities come to us for multi-unit plyo box orders — typically four to eight units for a commercial floor — we walk them through weight capacity requirements, sanitation needs, and storage footprint before recommending a specific unit. Volume pricing is available on multi-unit orders, and matching box height range to your specific programming tiers — beginner circuit versus performance track — prevents over-spending on spec you won't actually use.

According to Market Intelo, the growing recognition of plyometric training among sports medicine professionals has expanded adoption across professional sports facilities, university athletic departments, and elite training centers. That institutional adoption has raised the baseline expectation for commercial-grade specs. The Legend Fitness 3206 Advanced Plyo Box Set at $1,939 is a concrete commercial benchmark that meets the criteria above — it's a useful reference point for operators evaluating where their budget lands against verified commercial performance standards.

Frequently Asked Questions

1. What is an adjustable step up box and how does it differ from a standard plyo box?

An adjustable step up box is a single unit that allows height modification — typically across four increments ranging from 12" to 24" — without requiring separate fixed-height equipment. A standard fixed-height plyo box offers one height only, while a 3-in-1 wood box offers three coarse height options (typically 20", 24", and 30") by physically rotating the box, which is not the same as true fine-increment adjustability. The adjustable format is preferred in commercial settings because it eliminates the need for multiple fixed-height units while covering the full programming range from beginner step-ups through advanced plyometrics in a single storage footprint.

2. What height range should a commercial gym stock for a plyometric box?

The minimum range for a complete commercial offering is 12" through 24". The 12"–16" range covers beginners, rehabilitation progressions, and depth jumps, while 20" covers the majority of general power and agility programming and is the most-used height in commercial settings. A 24" option serves intermediate-to-advanced athletes, and a 30" option may be added only for elite performance centers with CSCS-credentialed staff on-site and a pre-screening system for athletic readiness — it is not appropriate as general membership equipment and creates liability without proper oversight infrastructure.

3. Are soft foam plyo boxes suitable for commercial use, or are they only for home gyms?

Soft foam plyo boxes with vinyl covers are fully appropriate for commercial use and are the preferred choice for group fitness floors, beginner programming, and PT/rehab clinics. Their primary commercial advantage is safety: missed landings on foam result in a slide rather than a trip, producing a significantly lower acute injury outcome than hard wood or steel edges. They are also the only material appropriate for clinical environments where infection control is required, because vinyl surfaces wipe clean with standard hospital-grade disinfectants between patients.

4. What weight capacity should a commercial plyo box have?

300 lbs is the minimum acceptable weight capacity for any commercial or clinical setting. Units rated for home use often cap at 250 lbs, which is not a sufficient commercial specification regardless of how the product is marketed. Facilities serving higher-bodyweight athletes or incorporating weighted plyometric variations should target 400–500 lbs, and no home-rated unit should ever be deployed in a commercial or clinical environment due to structural liability exposure under institutional use conditions.

5. What flooring is required under a commercial plyometric box?

Rubber flooring at a minimum thickness of 20mm is the standard specification for plyometric zones, with high-impact and heavy functional training areas potentially requiring up to 40mm. Carpet and foam tile interlocks are not appropriate — they impair the eccentric-to-concentric stretch-shortening cycle transition by providing too much surface give, reduce sanitation effectiveness, and increase slip risk on box landings. The floor specification should be planned alongside the box purchase as a single plyometric zone package, not as a sequential afterthought.

6. How often should commercial plyo boxes be inspected for safety?

Per NSCA CPT Chapter 24, the tops and bottoms of plyometric equipment must be checked monthly for nonslip surface wear, and all equipment must be inspected for cracks, tears, and structural damage on an ongoing basis. High-volume facilities operating daily circuits should build equipment checks into weekly operational routines rather than waiting for the monthly minimum. Written inspection records should be maintained for every cycle — documentation matters significantly if a member or patient injury ever results in a liability claim.

7. Can adjustable plyo boxes be used in physical therapy and rehab settings?

Yes, adjustable step up boxes are well-suited to PT and rehab clinical environments and are widely used for post-surgical step-up progressions, proprioception training, and return-to-sport loading protocols. Vinyl-covered foam boxes are the preferred clinical material because they satisfy both sanitation requirements and patient safety standards on missed steps. The fine height adjustability of a true adjustable box — as opposed to the coarse three-position rotation of a 3-in-1 wood box — is clinically meaningful for incremental loading progressions where 2" changes in step height represent significant and measurable differences in joint loading.

8. How many adjustable plyo boxes does a commercial facility need?

A minimum of four to eight adjustable boxes allows simultaneous use in circuit or class formats for most commercial facilities. The exact number depends on class size and training floor layout, with a mandatory minimum of 36" of clearance required around each box for safe takeoff and landing per NSCA zone standards. Because a single adjustable plyo box replaces three to four fixed-height units in programming range, a fleet of adjustable boxes delivers substantially better space efficiency and ROI per unit — a facility running four adjustable boxes covers the same programming range that would otherwise require 12–16 fixed-height units.

Choosing the Right Commercial Plyometric Box: The Bottom Line

The decision framework here is straightforward once the variables are clear. Material type maps to environment: foam for PT clinics and group fitness, steel for performance zones and high-volume commercial gyms. Height range must cover 12"–24" as a baseline for any complete commercial offering. Weight capacity must be verified against actual commercial use conditions — 300 lbs minimum, 400–500 lbs for performance-focused populations. And flooring must be calibrated alongside the box purchase, not after it.

The ROI case for adjustable over fixed is durable. One unit, multiple heights, smaller storage footprint, lower total cost of ownership over a multi-year equipment cycle. For facilities tracking cost-per-programming-option, the adjustable box wins on that metric consistently.

For PT and rehab clinics, the case is clinical as much as financial. An adjustable step up box supports the full continuum from early post-surgical step progressions at minimal height through return-to-sport plyometric protocols at 20"+. That's a single equipment investment with clinical-grade versatility across the entire rehabilitation timeline — a meaningful advantage in a clinical space where every square foot and every equipment line item has to justify itself.

The market trajectory reinforces the urgency of getting this right now. According to Market Intelo, the plyometric box market is growing at 5.8% CAGR — outpacing the broader commercial fitness equipment market at 4.53%. Functional training demand is accelerating, not leveling off. A 2024 meta-analysis of 21 studies published in Scientific Reports confirmed that plyometric training produces measurable improvements in fitness even in untrained individuals — expanding the addressable population for plyometric programming well beyond the performance-athlete niche. Facilities that invest in the right commercial plyometric box infrastructure now are ahead of a demand curve that's still building.

Browse commercial-grade adjustable plyometric boxes at Blue Sky Fitness Supply — including the Legend Fitness 3206 Advanced Plyo Box Set — or contact our team for volume pricing on multi-unit orders. For operators building out a complete functional training zone, the Slant Board Training Guide for Commercial Facilities covers the complementary unilateral training equipment category in the same detail.