The RockLock Twistlock, Black Diamond's largest locking carabiner, was designed for belaying, rappelling, or anchors. This one-hand operable autolocking twistlock carabiner now features a hot-forged lightweight construction to keep your harness as light as possible, a redesigned spine for better handling, and a larger rope-bearing surface for greater durability.

Specs

• Hot-Forged for lighter-weight construction
• Square hinge end holds belay loop securely in place
• Slightly curved spine maximizes gate opening
• Keylock nose prevents snagging
• One-hand operable
• Autolocking Twistlock sleeve