Set of 4 - 3 Inch Stainless Steel 304 Spring, Snap, Link, Hook, Clip Carabiner-Keychain, Keyring/Camping/Fishing/Traveling/Hiking/dog leash...etc.. Set of 4 (Not used for climbing) Set of 4  3 inch 304 Stainless Steel snap hook Opens and closes smoothly as the spring- loaded gate makes it easy to attach important items to it. Allow quick connect/dis-connect of ropes, chains and straps Great for dog leash, camping, fishing, traveling, hiking, connect thing to a belt and any outdoor use Not for climbing adventures