Features:1) Diameter: 0.15 ~ 80mm2) Long service-life3) Good hardness4) Good resistance to both high and low temperatures5) Can be used in various corrosive mediums6) Main material: carbon spring steel, alloy spring steel,refractory steel, stainless steel, high temperatureresisting alloy, corrosion-resistant alloy and bronze7) Widely used in automobiles, motorcycles, electricalappliances, telecommunication, communication,aviation, space and other civil fieldsInner packing: plastic or PE bagsOuter packing: corrugated cartons, wooden boxes or pallets