3M 7010329297 Adapter is designed for deburring, finishing, polishing, and surface preparation applications. It is compatible with bench top motors, die grinders, inline sanders, and manual backstand equipment. It is suitable for use in metalworking industries such as metal fabrication, plumbing fixtures, turbine engines, and more. This adapter features center hole reducers with a diameter of 0.5 inches (12.7 mm).