Material: 45# steel, 65# steel, 70# steel, etc. Variety: Black steel wire, zinc plated steel wire, copper-plated steel wire, etc. Sizes: 0.15mm-6.5mm Uses: Mainly telecommunication equipment and materials, medical equipment and devices, steel wire wheel, steel wire brushes, weaving of wire mesh, steel rope, filtration mesh, high pressure pipe, construction, springs, etc.