Black Diamond's largest locking carabiner, the RockLock is a one-hand operable autolocking twistlock carabiner perfect for belaying, rappelling or anchors, and now features a hot-forged lightweight construction, a redesigned spine for better handling, and a larger rope-bearing surface for greater durability.

Tech 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
• Type H or HMS connector. For dynamic belaying using a Munter Hitch or belay device.