Item Type: High-Speed Steel Mill Product Material: High Speed Steel Product Size: Approx. 8 x 8 x 30 x 120mm / 0.3 x 0.3 x 1.2 x 4.7in Quantity: 5pcs Blade: Approx. 8mm / 0.3in Shank Diameter: Approx. 8mm / 0.3in Blade Length: Approx. 30mm / 1.2in Total Length: Approx. 120mm / 4.7in Function: CNC Milling Machine Processing Centre, Woodworking Machine Tool, Advertising CNC Milling Machine, Etc. Package List 5 x High-Speed Steel Mill 1This high speed steel mill set promises fast and perfect milling performance, thus largely improves working efficiency. 2The single flute design enables more accurate milling while the premium high speed steel is not easy to break in milling. 3With high wear resistance, high temperature resistance and good rigidity, all these mills are very durable for long working hour. 4Single flute design makes the milling into materials much easier, and 5 pieces simplify the replacement. 5The strong practicability also allows for flexible application, such as CNC milling machine, woodworking machine tool, and so on.