Housweety 50PCs Silver Tone Celtic Knot Charm Pendants 15x17mm(5/8"x5/8") Zinc metal alloy(Cadmium Free)size:15mm x 17mm( 5/8"x 5/8")hole:1.8mm( 1/8")Thickness:1.6mm( 1/8") It's fashion, creative, full of special means, is a very useful accessory,will Fit All Chains. Zinc alloy stainless silver pewter jewelry and craft charms. Perfect for jewelry making. Assorted themes array of subjects and styles for all kinds of interests for parties or groups charms