Single ended spring loaded bolt snap with large round swivel eyelet , 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, climbing and so on Specification: Material: Pure brass Length: Approx. 115 mm/4.5 inch Swivel Eye Inner Diameter: Approx. 30 mm/1.2 inch Swivel Eye Thickness: Approx. 6.8 mm/0.3 inch Color: Gold Package Includes: 1 Piece Swivel Eye Bolt Snap Hook Note: Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor. Thanks!