Special Grinding Head Design 06 different heads rotating embossed grinding head applicable to most scenes, you can choose which you like and need.***Premium Material Rotary point burrs die grinder is made of high speed steel material, it can process a variety of metals and non-metals, wood carving choice.***Easy to Use Rotating burrs use handheld electric or pneumatic tool drive. Safe and reliable which can work out the high accuracy of various shapes of mold cavity***High Work Efficiency The processing efficiency of wood carving rasp drill bit kit is nearly ten times higher than the small grinding wheel with the handle.***Wide Application Carbide rotary file is widely used for tool making, model engineering, wood carving, jewelry making, casting, grinding and sculpting and more.***HSS Rotary Bit Burrs Set is suitable for all sorts of jobs like model making and DIY woodworking carving, engraving, beveling, chamfering, grooving, reaming, shaping, hollowing & Great tools for detailed work. Perfect for processing most kinds of materials such as wood, plastic,foam or resin models."