Item Type: Router Bit Material: 45 Steel + Tungsten Carbide Application: Used to make drawers or other woodwork Surface Coating: PTFE coating Hook Shear Angle: High hook shear angle allow Shank Type: 8mm Round Shank Cutting Diameter: Approx. 14mm / 0.55in 16mm / 0.63in 18mm / 0.71in 20mm / 0.79in Package List 4 x Router Bit When using a milling cutter to cut, please wear protective gear to prevent the debris from splashing and hurting yourself. 1[4PCS IN 1 SET] Including 4pcs pointed nose bits with different cutting diameters to meet more milling needs. 2[BACKLASH DESIGN] These milling cutters are designed with anti backlash, and the body is made of 45 steel with high strength. 3[TUNGSTEN BLADE] The tungsten carbide blade can cut the material smoothly, with a clean cut and no debris. 4[ROUND SHANK] With standard 8mm round shank design, which can be installed on most CNC router devices. 5[FOR WOODWORKING] The high hook cut angle allows, very suitable for home making drawers or other woodwork.