Mammut Classic HMS Screwgate Carabiner Screw Gate Blue one size. It is suitable for constructing belay stations and for belaying using an HMS knot or belay device; it allows the rope to run smoothly and reduces wear. The screw locking is easy to operate even in icy or dirty environments. The key lock nose ensures easy clipping and unclipping without snagging. The orange marking is an additional safety feature acting as a warning if the carabiner is not screwed closed. Specifications for Mammut Classic HMS Screwgate Carabiner: Manufacturer: Mammut Size: One Size Carabiner Size: One size Quantity: 1 Carabiner Type: Screwgate Features of Mammut Classic HMS Screwgate Carabiner All-around medium-size carabiner Optimum shape for belaying with HMS knots Developed to allow improved rope passage and reduced wear Orange marking provides a warning if the carabiner is not screwed closed Key lock nose for easy clipping and unclipping without snagging Easy to operate screw locking even in dirty and icy environments Package Contents: Mammut Classic HMS Screwgate Carabiner Mammut 2040-02470-1550-1: Classic HMS Screwgate Carabiner Screw Gate Blue one size