Chainologie 18K Gold-Plated Chain _#70: 4x2mm Delicate Dapped Cable Chain (per 25-foot spool) Small chain perfect for lightweight, multistrand jewelry Links are rounded wire, dapped (knurled) midway along the long sides of the links, making for an attractive chain pattern Lead-free, nickel-free brass chain with thick layer of 18 Karat Gold over brass Uniform soldered links measure approximately 4mm long x 2mm wide Gold layer up to 7 times thicker than plate of comparable products.