Description: When using 2 ropes, wearing gloves, or using a variety of belaying techniques, rely on Black Diamond's largest locking biner, the twistlock Rocklock Carabiner. Your ropes sit securely in the square hinge end and slide past the keylock nose easily and without snagging. Features: Don't fumble in an effort to clip ropes with the lightly curved spine that maximizes the the size of gate opening Hold your belay loops securely in the square hinge end Operate the Twistlock opening with one hand Seconds have minor cosmetic defects that in no way effect performance. Specifications: Weight: 89 grams Type: locking Gate closed strength: 24 kN Gate open strength: 8 kN Minor axis strength: 7 kN Locking: twistlock