Tool removes paint, rust, and scale from any hard surface. Attaches to most sanders, grinders and polishers. Stainless steel one piece aircraft quality housing. Grinder not included. Fits 5/8" - 11 shaft. Drive adaptor for 3/8" or 1/2" drill chuck available. Units furnished with sharp tooth tool steel cutters as standard, stag tooth available. 6,000 Max RPM.