Black annealed wire, which is made of low carbon steel or iron, is often applied for weaving, baling in home use and construction. For example, baling hay in agriculture area. Black annealed wire is mainly processed into coil wire, spool wire or big package wire. Or further straightened and cut into cut wire and U type wire. Compared with black iron wire, black annealed wire is more softer and has higher flexibility. Double twist wire Mainly size: BWG18 BWG16 Single wire mainly size: BWG18 BWG16 BWG14 BWG12 BWG20 BWG22 Popurlar packing is 1kg per coil ,than 10kg or 20kg per carton