PEPPERLONELY Brand, Silver Plated Lobster Swivel Clasps for Key Ring 39x16mm(1-1/2"x5/8"), Sold Per Pack of 20 Material: 	 Zinc metal alloy(Lead ,Nickel and Cadmium Safe) Size: 39x16mm (1-1/2"x5/8") Thickness: 5.5mm (2/8") Silver Plated