Our largest locking carabiner.

The RockLock is 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.

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