CleverDelights 3x4mm cable chain spool. Antique copper color. 30 feet. Perfect for custom craft necklaces, costume jewelry, and many other uses. 3mm x 4mm cable chain has flat oval links giving these chains a simple and timeless style. The chain links are not soldered and should not be used for intense load bearing purposes. Made from iron. Bulk spool. Check out our store for our huge selection of chain sizes and colors.