Black Diamond RockLock Twistlock carabiner

Our largest locking carabiner, the RockLock is perfect for belaying, rappelling or anchors.

Our largest belay and rappel locker, the Black Diamond RockLock carabiner features a keylock, is Munter Hitch compatible and can be operated with one hand.

• Square hinge end holds belay loop securely in place
• Slightly curved spine maximizes gate opening
• Keylock nose prevents snagging
• One-hand operable
• Twistlock sleeve

At Black Diamond it’s all about climbing and skiing. We share the same experiences that you do on rock, ice and snow and these experiences push us to make the best gear possible for our worldwide family of climbers and skiers. Black Diamond is a company that’s not just for rock climbers and skiers, but one that stands for the spirit of the sports we live, their values and goals, past, present and future. Since 1957, our innovative gear designs have set the standard in numerous areas. This is partly the result of dedication, desire and diligence on the part of an incredible team of people. It’s also a product of the fact that each of us are climbers and skiers ourselves.