YOYOSTORE 50 Pc Carabiner Lobster Clasps Hook Plated Lobster Claw Swivel Clasps for Key Ring Length (Approx.): 1 1/8 inch ( 31 mm ) Material: Steel, Nickel plated Inclube: 50 x Keyring Because of some reason such as the lighting effects,monitor's brightness/contrast settings etc, there maybe some slight differences in the color tone of the item's photo and the actual item. There may be little difference between personal measurement and the actual size. Sincerely thanks for your understanding.