It is a CNC Engraving Bits/Carbide Tool/Milling Cutters/End mill/Drill Bits. Product Type: Flat bottom engraving bits. Shape: V-shape. Degree: 20°. Material: solid carbide with coating. Application: It is designed mainly for the engraving and marking of ABS, Acrylic, Wood Plank, PVC and Double Color Plate etc.