112-Piece Engraving, Grinding, Sanding, Polishing Hobby Bit Set

112-piece set of bits for engraving, grinding, sanding and polishing compatible with rotary tools (Dremel-style). Contents: - 30 grinding stones - 3-piece mandrels: 32 x 1 mm and 24 x 1 mm - Sanding bands: 10 pieces, diameter 15 mm - 5 assorted sharpening stones (various shapes and sizes) - 6 polishing wheels: 13 x 10 mm - 1 polishing wheel: 25 x 10 mm - 1 polishing wheel: 20 x 10 mm - 2 diamond-tipped burrs (different shapes) - 1 brush: 20 mm - 1 steel wire cup brush: 14 mm - 1 round grinding stone: diameter 20 mm - 3 mm mandrel/shaft - 2 collets: 4.2 mm - 5 saw blades