HIGHROCK Outdoor 5 Pc Extra Hard Type D Aluminum Mountaineering Buckle Knapsack Bottle Buckle Hook Hang Climbing Carabiner Keychain Weight: 22g. Diameter: 8mm,Length: 78mm,Width: 42mm Hard aluminum alloy manufacture, so hard.The D type aluminum alloy polishing processing, waterproof, wear-resisting, high strength, durable. Carabiner features a spring loaded gate which allows them to be quickly and securely attached to a wide range of fixing points. It works smoothly as the spring-loaded gate makes it easy to attach important items to a pack or belt,ect Used for daily life,attached to the backpack,handbag or use as a keyring.NOTICE:Not for climbing use,this carabiner is an ideal for hanging cord;ropes,hoses and other items,can be used as a handle or hanger,dozens of uses around the home,RV or boat ,convebient for daily life. well made locking mechanism make it better ability to bear load.Maximumload:100lb