Precision Design Size: this pulley has a diameter of 3.54 inches and a groove of 0.39 inches, ensuring precise alignment with gym cables; Cable misalignment can be reduced by 80% compared to ordinary pulleys Nice Materials: this pulley is made of aluminum, which is not only durable but also wear-resistant, ensuring long-lasting performance in any fitness environment Multifunction Use: ideal for a broad range of exercises, this power rack pulley attachment is essential for upgrading your gym pulley system; It works perfectly with home gyms, power racks, cable crossovers, and functional trainers; Additionally, it pairs well with rowing machines, recumbent bikes, offering unmatched versatility for your fitness equipment