Amanaote Metal Silvery 0.5 Inside Diameter D-ring Lobster Clasp Claw Swivel Eye Lobster Snap Clasp Hook for Strap(Pack of 20) Lobster all kinds of purse or bag strap connector Full 360 degree swivel eye helps prevent tangles Inside swivel D-ring diameter:0.5". Total Length:1.5". Snap opening mouth size:0.3".