20Pcs Silver Aluminum Spring Carabiner Snap Hook Hanger Keychain Hiking Made from light weight aluminum alloy Great for outdoor activity, camping, fishing, hiking, traveling, keychain etc. It is not made for climbing adventures The carabiner features a spring loaded gate which allows them to be quickly and securely attached to a wide range of fixing points. It can open and close smoothly as the spring-loaded gate makes it easy to attach important items to a pack or belt.