Makes surface preparation fast and easy, Great for removal of undercoatings, stone guards, seam sealers and rust, Works well under hood webs, in truck beds, door jambs, undercarriage and wheel wells, Mounts onto 3M Roloc Holder 05540, Maximum operating speed: 15,000 rpm, Useful in tire shop to remove oxidation from rims. Eliminates slow leaks due to oxidation and / or corrosion. Used for removal of rust from brake assemblies.