ITEM NAME:10PCS Carbide PCB Board 0.1mm 30 Degree Engraving Bits CNC Router Tool V-shape~*.A power tool for 2D sculpture, 3D sculpture. Degree: 30. Can be engraved Copper, Aluminum, ABS, Acrylic, PVC, Nylon, Resin, Majority of plastics, Wood, Fibre glass, Carbon etc. material. High-precision tool grinding large capacity Chip elimination.