Fusion Climb Unisex Poseidon Lightweight Hook Aluminum / Stainless Steel Aluminum, Captive eye, Ultra light-weight Stainless steel gate Dimensions: 9.18" x 4.63 in x 0.46 in, Gate opening: 2.47 in, Strength: 23KN Meets ANSI Z359.1 - 1992/1999, and CE standards