Designed for belaying, rappelling, or anchors, the Black Diamond RockLock Twistlock Carabiner makes your climb safer. This carabiner has a square hinge end that securely holds your belay loop and is easily operable with one hand. DESIGN Climbing carabiner with hot-forged construction Curved spine for wide gate opening Square hinge securely holds belay loop Easy to operate with one hand Snag-free Keylock nose Twistlock sleeve Uses Type H or HMS connector - can be used with Munter Hitch or belay device SPECS Weight: 89 g (3.1oz.) Gate Opening: 24 mm (0.95") Gate Strength (Closed): 24 kN (5395 lbf) Gate Strength (Open): 8 kN (1,798 lbf) Minor Axis Strength: 8 kN (1,798 lbf) Additional Details Style: BD210258