1.Material:brass 2.DIA:1-50mm 3.finish:Plate 4.tolerance:+-0. ... steel, stainless steel, chrome steel, cold rolled sheet, bearing steel, brass, copper, bronze, chrome copper, mold steel ,and so onSurface treatmenthardening ... cartonProducts Use: Used in electronics, lighting , home appliance, car, bike , computer, optical fiber products , medical equipment, mobile phone, Camera ,gas stove ...