Fusion Climb Prima High Strength Auto Lock Ladder Hook Carabiner Alloy Steel, Extra large, Ladder Hook Shape? carabiner Great for rescues to rigging Auto-locking gate Outer Dim: 4.8" l x 3" w, Gate Opening: 1"/ 25mm, Wt: 8.7oz, Strength: 30KN Strength Rating: 35KN (MBS)