1Excellent tungsten steel material, wearresistant, high strength as well as not easy to break for durable use. 2Exquisite mirror polishing process of the blade design ensure high efficiency of chip removal, wonderful using experience. 3Quality continuous processing makes it not easy to break, precise front corners with incisive edges, high cutting efficiency. 4About 39mm / 1.54in of the total length and 12mm / 0.47in of the blade length, special designed for CNC engraving machine. 5Including a total of 5pcs milling cutter bit of the package to meet your different demands.Item Type: CNC End MillMaterial: Tungsten steelBit: Approx. 1.5mm / 0.06inShank Diameter: Approx. 3.175mm / 0.13inBlade Length: Approx. 12mm / 0.47inTotal Length: Approx. 39mm / 1.54inQuantity: 5pcsApplication: CNC engraving machine cutter5 x CNC End Mill