Black Diamond say this is "the lightest, full-function pear locker on the planet", and there's no doubt that the VaporLock HMS Carabiner, at an ultralight 51g, is in the top league, in terms of large lightweight, locking biners. In addition to its low weight, the VaporLock Carabiner also incorporates a keylock gate, for snag-free use. Black Diamond also gave this smart locking biner a gate wide enough to allow the use of an Italian hitch on ropes up to 9.4mm during climbs where even the belay device seems excessive... or you dropped it.

Specification

• Major Axis: 21kN
• Minor Axis: 7kN 
• Open Gate: 7kN
• Gate Type: Screwgate
• Gate Opening: 20mm
• Weight: 51g