Tianbang Bronze 0.8" Inside Diameter Oval Ring Pincers Lobster Clasp Claw Swivel Eye Hole for Strap Pack of 4 Swivel tail oval ring inside diameter:0.8". Lobster clasp total Length:2.2". Snap opening mouth maximum size about:0.6".Roundness eye hole diameter:0.4" Lobster all kinds of purse or bag strap connector. Full 360 degree swivel eye helps prevent tangles.