Material: 45# steel wire, 65# steel wire, 70# steel wire, etc. Variety: black steel wire, galvanized steel wire, copper coated steel wire, etc. Specifications: 0.15mm ¨C 6.5mm Usage: mainly used in communication Eq. & Apparatus, medical apparatus and instruments, steel wire wheel, steel wire brush, wire mesh weaving, cable, filter, high-voltage tube, wire and spring in building, etc.