Petzl - Am'D, Lightweight Asymmetric Carabiner 1" high 5" wide INTENDED USE: The Am'D carabiner is an efficient shape for holding equipment or attaching to belay systems using either end of the carabiner. SIZE AND STRENGTH: Its large dimensions (25 mm gate) allow it to hold an array of equipment. The Am'D's major axis strength is 27 kN. EASY TO USE: The D shape offers good handling and is designed to be easy to grip with gloves on. LOCKING SYSTEMS: Choose between three locking systems: Screw-Lock for occasional use or dirty environments, Ball-Lock for frequent use and use with triple-action opening, or Twist-Lock for quick opening and when connecting a GRIGRI. NO MORE SNAGGING: Petzl's Keylock system helps avoid accidentally snagging your carabiner on your gear.