Features: These milling cutters are made from superfine tungsten carbide for high hardness, wear resistance and long service life. Specially designed for CNC engraving MDF material, can also engrave chipboard density board, PVC, acrylic and resin, etc. Can be used on woodworking engraving machine, CNC, CNC routers, and many other engraving machines. These milling cutters can cut, engrave, remove chips fluently and create a smooth cutting surface. They also have high work efficiency for rough machining non-ferrous metal. Specifications: Material: Tungsten carbide Shank Diameter: 3.175mm(1/8") Cutting Edge Diameter: 3.175mm(1/8") Cutting Edge Length: 22mm(0.86") Total Length: 44mm(1.73") Quantity: 10pcs Package Includes: 10 x Milling Cutters Note:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. .