1、40cr Alloy Steel Made: Manufactured by excellent 40cr material, this cutter shank features good hardness, small wear and tear, which is sturdy and durable. 2、Coating Process: Adopt new coating process, the tool holder is resistant to oxidation and high temperature greatly, prolongs service life. 3、High Working Efficiency: The milling holder is high demand machined, has high strength, strong shock resistance, and good working efficiency. 4、Convenient for Storage and Carrying: The tool holder comes with a storage box, which is convenient to store and carry, and is not easy to be damaged. 5、Wide Range of Usage: This face milling shank is mainly used for CNC machining center, engraving machine, can also be installed on ordinary milling machines to process some harder and less complex heat treated materials.