Century Drill and Tool 76221 Coarse Drill Cup Wire Brush, 2-3/4-Inch Wire brushes are used to remove rust paint and weld spatter on all types of metal parts or surfaces Deburr and clean the inside and outside of pipes valves and other fittings Perfect for cleaning engine heads and components 1/4-Inch hex quick change shanks are use in all Types of drills and die grinders Type of wire is crimped