Tianbang Gun Black 1.25" Inside Diameter Oval Ring Lobster Clasp Claw Swivel for Strap Pack of 6 Swivel tail oval ring inside diameter:1.25". Lobster clasp total Length:2". Snap opening mouth maximum size about:0.23". Lobster all kinds of purse or bag strap connector. Full 360 degree swivel eye helps prevent tangles.