Major Fitness Weight Stack Pin Extender Push past your weight stack ceiling without replacing the machine. The Weight Stack Pin Extender adds up to 130 lbs of extra resistance by letting you load standard weight plates directly onto the existing stack system, giving serious lifters the progressive overload capacity needed for continued strength gains. Built from steel and designed for fast installation, this extender plugs into your existing setup without tools or modifications. An 8-inch weight post accommodates multiple plates, so you can fine-tune resistance in whatever increments your training demands. Features Up to 130 lbs Additional Resistance - Extend your weight stack well beyond the factory limit using standard plates Steel Construction - Durable build handles heavy, repeated loading without bending or wear 8-Inch Weight Post - Accommodates multiple standard plates for flexible resistance adjustments Plug-In Installation - Attaches to your existing weight stack with no tools required Specifications Length: 24.4" Width: 10.2" Weight (Single): 8.1 lbs Weight (Pair): 20.7 lbs Weight Post Length: 8" Material: Steel Compatibility: B52 Pro / F22 Pro (also compatible with B52 Standard / F22 Standard when paired with Weight Stack Set)