The Grivel Plume ultra-light body is combined here with an HMS shape, to help the use with ropes. It is the ideal carabiner for the weight conscious mountaineer.The Twin Gate system is safer, faster and stronger than any other locking system. Safer because it does not accidentally open, faster because it does not require additional manipulation (e.g. screwing) and stronger because two gates are stronger than one! Individually tested, with the date of testing and progressive number laser-marked on it. Activities: climbing, mountaineering Materials/construction/technologies: aluminum (body), steel (wires) Certifications: CE EN 12275 - class H, UIAA 121 Weight: 44 g (1,5 oz) Length-Width-Opening: 89-56-25 mm Resistance:closed gate strength: 23minor axis strength: 7