Black Diamonds largest carabiner perfect for Belaying, anchors and abseiling, has keylock nose to prevent snagging, larger rope bearing surface for durability and is capable of taking a Munter or clove hitch and is easy to use with one hand. Black Diamond RockLock Screwgate Features: Large Belay and abseil carabiner Hot-Forged for lighter-weight Square hinge end holds belay loop in place Curved spine for maximum gate opening One-handed operation KeyLock nose to prevent snagging Screwgate closure Weight : 85g Closed Gate Strength : 24 kN Open Gate Strength : 8 kN Minor Axis Strength : 8 kN Gate Opening : 24 mm