High Precision: These V Groove Router Bits feature a sharp devise that ensures clean and detailed engraving results on various materials including PCB, wood, and metal. Durable Material: Made from tungsten carbide, these bits offer exceptional hardness, wear resistance, and resistance for long-lasting performance. Versatile Usage: Ideal for signmaking, lettering, and intricate V Groove miter cuts, these bits are perfect for both professional and DIY projects. Multiple Tip Sizes: The set includes bits with tip sizes ranging from 0.1mm to 0.5mm, accommodating a variety of engraving needs and providing flexibility in your work. Efficient Cutting: The sharp cutting edges and alloy steel construction ensure neat cuts and reduce the risk of breakage, enhancing your machining efficiency., Manufacturer: TNGYTY