Our largest belay and rappel locker, the Black Diamond RockLock carabiner feature a keylock nose, is Munter Hitch compatible and can be operated with one hand.
 
RockLock Screwgate Carabiner Features
Square hinge end holds belay loop securely in place
A slightly curved spine maximizes gate opening
Keylock's nose prevents snagging
One-hand operable
Screwgate sleeve
Type H or HMS connector. For dynamic belaying using a Munter Hitch or belay device.
 
Technical Specifications
Closed Gate Strength: 24 kN (5395 lbf)
Display Weight: 85 g (3 oz)
Gate Opening: 24 mm (0.95 in)
Minor Axis Strength: 8 kN (1798 lbf)
Open Gate Strength:8 kN (1798 lbf)