The Rotary Tool is a versatile tool that allows you to grind, cut, sand and drill. Remove rust on metal and get into fine detail on wood and metal with precision control. It has a powerful 1 Amp motor and variable speed from 8,000 - 30,000 RPM. This kit includes: Variable Speed Rotary Tool, Bit Changing Wrench, 2 Felt Polishing Wheels, 2 High Speed Cutters, 10 Grinding Stones, 54 Sanding Discs, 1 Dressing Stone, 20 Cut-Off Wheels, 4 Sander Bands, 1 Drum Sander, 2 Mandrels, 2 Drill Bits, 2 Collets.