Set of 10 rotary burrs with cross head groove lines, suitable for wood carving, engraving, beveling, chamfering, grooving, boring, hollowing and more. The milling heads are made of durable cemented carbide (tungsten carbide) which offers high hardness, wear resistance and heat resistance. which is harder than normal metals. It can also be used to polish metal to remove rust on the surface. Suitable for a wide range of materials, including cast iron, stainless steel, copper, aluminum as well as marble, wood, bone and other non-metals. They are compatible with most electric or pneumatic rotary tools and are ideal for precision work. The grinding head is designed as a double cutter. The sawdust is smaller. So your cutting work will be faster and smoother, even for polishing metal. The different shape of the cutter gives you many options. The carbide rotary burr set is widely used in woodworking, carving, engraving and polishing, chamfering, grooving, boring, hollowing, cutting, jewelry