Material: SUS420 Hardness:HRC48-52 Operation method 1.Press< d processes to annoy the way. 2.Press to go into with the softer metals or the wood system hammers. Characteristics 1.Annoy the crest should under the appearance that piece of plastic did not wear the wall use. 2.A power of a plastic is even, resolving many problem of a plastic piece. 3.Shorten the manufacturing period of the molding tool, economize the molding tool material.