Precision Dual-Fit System:​​ Engineered with both 3/8" (10mm) & 5/16" (8mm) slot sizes for universal compatibility. Ensures a flawless, secure integration with nearly any gym cable machine or home weight stack system. Measure your pin before ordering for guaranteed fit. Expand Your Strength Limit by 130lbs:​**​ Instantly unlock up to 130 lbs of additional resistance. Add Olympic standard weight plates (not included) to your cable machine workouts, enabling progressive overload to shatter plateaus and maximize muscle gains. 6 High-Strength Magnet Security:​​ Features advanced magnetic technology with six powerful magnets that firmly anchor the pin extender to the counterweight block. This double-safety system prevents accidental drops, ensuring unwavering stability and peace of mind during intense training. Durable Steel Construction:​​ Forged from high-grade steel for exceptional strength and longevity. Built to withstand the heaviest lifts, this extender offers a safe, reliable, and long-lasting upgrade to your gym equipment, delivering professional-quality performance. Universal Home & Gym Solution:​​ Seamlessly bridges the gap between home fitness setups and commercial gym environments. Effortlessly enhance cable crossover machines, pulley systems, or functional trainers – the versatile tool every dedicated lifter needs for limitless training possibilities.