Chuzhao Wu 0.9" Silver color Hook Lobster Clasps With 0.6" Key Ring (Pack Of 15) key chain Length:0.9", key ring Diameter:0.6". 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?