SPHERICAL WOOD SCULPTURE: After engraving, the surface is smooth, and the engraving tool can even process various high-precision cavities. It is made of high quality steel and has been treated with black anti-fire, which is more durable. ROTARY FILE: The treatment efficiency of rotary burrs is ten times higher than that of manual files and nearly ten times greater than that of small-handled grinding wheels. It is specially designed for molding wood, plastic and light alloys. WOODWORKING USE: Suitable for all kinds of angle grinders, widely used in metal products, metal manufacturing tools, engineering, model engineering, woodcarving, jewelry making, welding, chamfering, casting, deburring, grinding, bolt-holes and engraving. SPHERICAL GRINDING HEAD FOR ANGLE GRINDER：Mainly used for DIY small carving. Used to grind, polish, shape and polish wood, plastic and rubber surfaces. DIY wood polishing artifact. ENGRAVING AND POLISHING HEAD： The wood chisel can remove material, saving time and