1Wearresistant, good rigidity as well as not easy to break due to quality tungsten steel material, durable use. 2Good chip removal performance can be achieved with the mirror polishing process of the blade, wonderful using experience. 3About 39mm / 1.54in of the total length and 10mm / 0.39inof the blade length, special designed for CNC engraving machine. 4Incisive cutting edges, high cutting efficiency, with continuous processing, not easy to break. 5Including a total of 5pcs milling cutter bit of the package to meet your different demands.Item Type: CNC End MillMaterial: Tungsten steelBit: Approx. 2mm / 0.08inShank Diameter: Approx. 3.175mm / 0.13inBlade Length: Approx. 10mm / 0.39inTotal Length: Approx. 39mm / 1.54inQuantity: 5pcsApplication: CNC engraving machine cutter5 x CNC End Mill