With its compact shape and easy Screw-Lock locking system, the Petzl Attache carabiner is suitable for multiple belay-related uses like connecting your belay device to your harness or belaying with a Munter hitchOptimized for lightness and durability; compact shape is ideal for belay stationsH-shaped cross section offers an excellent strength/weight ratioWider contact surfaces provide better rope glide and reduced wear on the binerScrew-Lock gate with visual indicator for easy and effective lockingKeylock system prevents snagging 3342540097711 20071800012 M38A SL