HOUSWEETY 12 Silver Plated Lobster Clasp Link Chain Necklaces 18" Quantity:12PCs Material:Zinc Metal Alloy+Alloy(LEAD AND NICKEL FREE) Color:Silver Plated Approx:45.6cmlong (18");Hole size: 2x1mm Thickness: 0.7mm link SizeF3.5mm x 2.5mm