Description: Single ended spring loaded bolt snap with large swivel eyelet and a split keyring Corrosion resistant, high strength, durable and lightweight Portable and easy to use It ensures quick and simple attachment of additional items to a suitable point on your scuba diving gear harness, weight belt or other equipment Great accessories for underwater scuba diving, free diving, kayak boat paddle leash, camping backpack keychain hook, pet leash clip and so on Specification: Material: 316 Stainless steel Size (L x W): Approx. 10 x 2.6 cm/4 x 1 inch Keyring Outer Diameter: Approx. 2.6 cm/1 inch Color: Silver Package Includes: 1 Piece Bolt Snap Hook Keyring Note: Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor. Thanks!