Tianbang Bronze 2" Inside Dia D Ring Lobster Clasp Claw Swivel Eye Hole for Strap Pack of 5 Swivel tail D ring inside diameter:2". Lobster clasp total Length:2.5". Snap opening mouth maximum size about:0.2". Lobster all kinds of purse or bag strap connector. Full 360 degree swivel eye helps prevent tangles.