Chuzhao Wu 1.8" Silver Plated Lobster Swivel Clasps With 1" Key Ring (Pack Of 10) Lobster Clasp Length:1.8", key ring Diameter:0.1". Material: Zinc Metal Alloy+Alloy(Cadmium Safe)? Lobster claw snap hook with spring-loaded automatic gate ? Full 360 degree swivel eye helps prevent tangles? burly swivel clasps are great for large chain designs, purses, back packs, designer dog leads, color?