High Quality: 10pcs tungsten titanium carbide burr set, and the surface is coated with titanium, ensuring its longevity and elegance, can reach HRC70; Double Cutter Head Design: The cross groove lines of the carbide rotary burr make it more suitable for materials with relatively low density, such as wood, plastic and aluminum. It would be the best choice for fast material removal on carbon and stainless steel. Multipurpose Tools: Perfect for fine detail work, widely used for metallurgy, woodworking, model engineering, wood carving, jewelry making, welding, chamfering, casting, deburring, grinding, etc. Easy to Use: Can generally be used with a portable electric or pneumatic tool drive (can also be used in a machine tool, and the speed of the tools Electric/pneumatic is generally about 6000-50000 rpm; Various shapes: including cylinder shape, ball shape, oval shape, shaft shape pointed end, shaft shape pointed end, flame shape, Investde cone, cone shape, pointed radius. makes it