Crush leg day with this rack-mounted leg curl and extension attachment. Made to target your quads and hamstrings with standing curls and seated extensions, loading up to 275 LB of Olympic plates for serious strength gains. The quick-mount J-hooks lock securely inside your rack for a solid, space-saving setup, while the padded seat and adjustable roller make switching between movements quick and comfortable. Ergonomic grip handles keep you in control through every rep, and the smooth, curved leg roller follows your natural movement for a comfortable, powerful workout. Built tough and fully compatible with T-3 and X-3 Series power racks.