Description: A pack of V-shape carbide flat bottom engraving bits Replacements for your CNC/PCB machinery Made from high quality carbide for a precise, easy cutting experience A power tool for 2D sculpture, 3D sculpture A Wide Range of Materials can be engraved, including copper, aluminum, ABS, acrylic, PVC, nylon, resin, majority of plastics, wood, fiber glass and carbon Specification: Shape: V-shape Degree: 45 degrees Shank Diameter: 1/8 inch / 3.175 mm Cutting Edge Diameter: 0.2mm Total Length: Approx. 28mm Material: Hard alloy Package Includes: 1 pack of engraving bits (10pcs)