Mammut Smart HMS 2.0 Screwgate Carabiner Screw Gate Alpine Calamint. The new and improved version of our popular safety carabiner impresses with an improved construction higher breaking load and reduced weight. It still offers the same double safety and easy handling. The screw locking can beoperated only when the safety gate is open. Accidental opening is excluded as well as unintentional twisting of the carabiner in the belay loop of the climbing harness. This prevents dangerous lateral loading. Mammut recommends use of the Smart HMS 2.0 carabiner for the Smart 2.0 belay device. Specifications for Mammut Smart HMS 2.0 Screwgate Carabiner: Manufacturer: Mammut Size: One Size Style: Screw Gate Type: HMS Screwgate Carabiner Fabric/Material: Aluminum Weight: 93 g Carabiner Type: Keylock Features of Mammut Smart HMS 2.0 Screwgate Carabiner Safety gate to secure the carabiner in the correct position The safety gate ensures the carabiner can only be used when it is securely closed Optimized construction for smooth belaying and extended durability Key lock nose for easy clipping and unclipping without snagging Package Contents: Mammut Smart HMS 2.0 Screwgate Carabiner Mammut 2040-02550-15293-1: Smart HMS 2.0 Screwgate Carabiner Screw Gate Alpine Calamint