50 pc surface prep accessory kit includes the following: (4) 1/4" Shank Carbide burrs, (5) 1/8" Shank mounted points, (5) 1/4" Shank mounted points, (1) 2" Quick Change disc backing pad, (1) 3" Quick Change disc backing pad, (6) 2" 36 grit sanding discs, (9) 2" Various grit surface conditioning discs, (2) 2" Paint & corrosion removal discs, (2) 2" High strength buffing discs, (5) 3" 36 grit sanding discs, (9) 3" Various grit surface conditioning discs, and (1) blow molded carrying case.