1 Yard Platinum Iron Cross 3.5x4mm Links Chains Jewelry Findings for Necklace... Quantity: 1 Yard Iron Chains, plated Platinum Color Each link is 3.5mm wide,4mm long, 0.8mm thick They can be matched with jumprings and clasps, as well as acrylic beads, glass beads, gemstone beads to be popular necklaces, bracelets and belts. They also can be used as separate extenders and dangles.