... hole of wire drawing die Material:Diamond Cavity: For drawing mold,copper wire,aluminum wir Precision MOULD CORE and cavity insert ... Feature 1.Scope of application: the drawing of drawing mold, copper wire, Alu wire, steel wire, and all the metal ... then delivery the products. Following are the basic information for reference 1AdvantageHigh quality,procesion,good appearance,suitable material.2R&DWe ...