Amanaote Black 2" Inside Diameter D-Ring Lobster Clasp Claw Swivel Clasp Hook Pack of 2 Material:Metal.Total length:3.1",the tail D ring inside diameter:2". Quantity:2 Pcs.1 inch=25.4 mm. Excellent for quick connect/disconnect purse & bag straps and more The lobster claw snap hook with spring-close gate for extra security Lobster claw snap hook with spring-loaded automatic gate Full 360 degree swivel eye helps prevent tangles.