Set of 4 - 2 &frac14; Inch Stainless Steel 304 Spring, Snap, Link, Hook, Clip Carabiner-Keychain, Keyring/Camping/Fishing/Traveling/Hiking/dog leash&hellip;etc.. Set of 4 (Not used for climbing) Set of 4  2 1/4 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.