The Black Diamond Rocklock Twistlock Carabiner is a piece of gear we recommend to any climber-- new or old. The largest locking carabiner that Black Diamond offers, enjoy a large rope bearing surface for greater durability.
Features:
- Auto-locking
- One-hand operable
- Hot-forged, lightweight construction
- Material(s): 95% Aluminum 4% Steel 1% Delrin
- Weight: 89 g