AGPtek 6 PCS/set D-shape Aluminum Screw Locking Carabiner with Spring Snap Hook Keychain Outdoor Buckle for Camping, Hiking, Fishing (Gray) MATERIAL: make from lightweight and durable anodized aluminum alloy strong and elegant D-SHAPED Carabiner can be used as a handle or hanger Get one S-SHAPED carabiner as a gift and each D-shape with key ring FUNCTIONS: great for outdoor activity, camping, fishing, hiking, traveling, keychain etc EASY TO USE: features with screw lock which allows them to be quickly and securely attached to a wide range of fixing points.