The X-3 Series Sandwich J-Hooks feature a left- and right-handed design for fast, secure mounting on X-3 Series power racks. Installation is tool-free—just insert the pin and rotate the hooks into place. Each hook is rated for a combined 1,200 LB and has a UHMW plastic core sandwiched between thick steel plates, with 1" exposed to protect your bar's finish and knurling. Durable, easy to use, and built to keep your lifts safe.