1. Wide Application: The different shapes engraving bits are application for wood Carving, hollowing, slotting, drilling, polishing, and other DTY needs;
2. What you got: 1set /3pcs ; 5/8"-11 thread is suitable for angle grinder; the Recommended RPM 12500RPM; If you want to fit on drills or other machine, you need an adapter, such as SDS,Hex, Round Plus Shank;
3. Better Performance: High quality carbon steel provides high heat resistance, wear resistance, non deformable cutting, continuous cutting, high sharpness;
4. Durablity: Electrophoresis process can prevent rust, corrosion, and be more durable;
5. Best Choice for You: Great rotary files burr tool for DIY woodworking polished and carving, it is ideal for both professional carpenters, woodwork beginners, and DIY projects;