The Black Diamond Rocklock Twistlock Carabiner is Black Diamond's largest locking carabiner, the RockLock is a one-hand operable autolocking twistlock carabiner perfect for belaying, rappelling or anchors, and features a hot-forged lightweight construction and a large rope-bearing surface for greater durability.

Black Diamond Rocklock Twistlock Carabiner Features:

• Square hinge end holds belay loop securely in place
• Slightly curved spine maximises gate opening
• Keylock nose prevents snagging
• One-hand operable
• Twistlock sleeve
• Type H or HMS connector. For dynamic belaying using a Munter Hitch or belay device. 

Black Diamond Rocklock Twistlock Carabiner Specifications:

• Weight: 89 g
  
• Gate Opening: 24 mm
  
• Minor Axis Strength: 8 kN
  
• Open Gate Strength: 8 kN
  
• Major Axis Strength: 24 kN