HIGH QUALITY AND DURABILITY - The angle wheel is made of high quality tungsten steel with high hardness, good heat dissipation after high temperature heat treatment and very long service life. EFFICIENT AND ABRASION - On the surface of this angle grinder, there are hundreds of very sharp teeth that can be quickly polished and removed, which greatly improves the work efficiency. PROFESSIONAL USE OF CURVED SURFACES - This type of angle grinder is suitable for processing the inner surface of the shell and other curved surfaces, especially convex and concave parts. SAW EDGE DESIGN - The edge of the angle grinder is composed of saw teeth to ensure smooth and controllable grinding and polishing and maximize sanding performance. WIDE RANGE - Designed for use in all Common 22.23mm and M10 angle grinders, for polishing, engraving, shaping, buffing and grinding.