WHAT YOU GET: 10-pack Set of heavy duty and durable rotary burr set that includes 10 popular shapes: ball, oval, cylinder, large tree, small tree etc. A perfect tool addition to help you finish your job clean, fast and easy. HIGH QUALITY: Made of Heat treated high carbon 1045 steel material, through fire dipped black surface treatment, ensuring its sharper and durable. MULTI-FUNCTION ROTARY RASP FOR DRILL: Works with mostly small rotary tools for DIY carving. Used for grinding, polishing, shaping and burnishing wood, plastics and rubber surfaces. DIY woodworking polished artifact. HIGH PRODUCTIVITY: Rotary burr- processing efficiency than the manual file to improve of times, than with a small handle wheel to improve nearly ten times. EASY TO USE: This Rotary Burr Set has 1/4″ Shanks that fits all Drills. It is ideal for both professional carpenters, wood work beginners and DIY projects.