High quality: 10 pieces of titanium tungsten carbide bur group, the surface is plated with titanium to ensure its service life and beauty, up to HRC70;Design to; double cutter head: the line of cross grooves of the cemented carbide rotary cutter makes it more suitable for high density materials. relatively weak, such as wood, plastic and aluminum. It will be the best choice for fast stock removal on carbon steel and stainless steel. s in metalworking, woodworking, pattern engineering, wood carving, jewelry making, welding, chamfering, molding, deburring, grinding, etc.Easy to clean; use: generally it can be used with portable electric or pneumatic tools (also for machine tools, the speed of electric/pneumatic tools is usually about 6000-50000 rpm;Various forms&nbsp ;: including cylinder, sphere, ellipse, shaft tip, shaft tip, flame shape, investment cone, cone, tip radius.Make it suitable for most DIY work, such as fine detailing, cutting, engraving, etching, retouching and finishing.