Including rotary burrs, grinding heads, and rotary cutting tools, covering a wide range of drilling, grinding, and cutting tasks. Carbide burr set featuring a solid double-cut groove, the -cut teeth for fast material removal, improving efficiency and delivering a rougher . Made from high-hardness tungsten carbide steel, , capable of processing materials up to HRC70 hardness, Its working life is 10 times longer than high-speed steel and 200 times longer than a grinding wheel. Suitable for cutting, carving, deburring, finishing, and precision work on both metals and non-metals, widely used in metalworking, model engineering, wood carving, jewelry making, and more. 1/8 inch (3mm) shank carbide burr bits, compatible with pneumatic and electric die grinders, ideal for efficient grinding in tight spaces. Colour:Silver Material:Metal Package Contents: 1set * tungsten grinder Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.