High Quality: 10pcs titanium tungsten carbide router bit set, and the surface is coated with titanium, which ensures durability and elegance, and can reach HRC70; Double cutter head design: The cross groove lines of the carbide rotary cutter are more suitable for relatively low density materials 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 in metallurgy, woodworking, model making, wood carving, jewelry making, welding, chamfering, casting, deburring, grinding, etc. Easy to use: Can be used normally with a portable electric or pneumatic tool drive (can also be used in machine tools, and the speed is electric/pneumatic). Tools generally have about 6000-50000rpm; Various Shapes: including cylinder shape, ball shape, oval shape, pointed end shank shape, pointed end shank shape, flame shape, investde cone, cone shape, sharp radius makes it suitable for