Genesis variable speed electric rotary tool has 1001 household, hobby, & project uses: cut, saw, sand, grind, drill, polish, buff, sharpen, clean, and more with the 40 included accessories. Features variable speed 8000-30,000 rpm, separateOn/Off and speed control switches, and spindle lock for quick bit changes. 1/8 In. collet accepts all standard rotary tool accessories. Includes: (10) Aluminum Oxide Grinding Stones, (7) Cut-Off Wheels, (8) Sanding Discs, (1) Aluminum Oxide Grinding Wheel, (1) 1/2 In. Sanding Drum, (3) Sanding Bands, (2) Felt Polishing Wheels, (3) Engraving Cutters, (2) Mandrels, (1) 1/8 In. (3mm) Drill Bit, (1) Dressing Stone, (1) Wrench, and (1) Accessory Storage Case.