1001 household, hobby and project uses are cut, saw, sand, grind, drill, polish, buff, sharpen, clean and more. Variable speed of 8000 to 30,000 rpm. 1/8 in collet accepts all standard rotary tool accessories. Separate On/Off and speed control switches. Spindle lock for quick bit changes. Voltage rating of 120 V at 60 Hz, current rating of 1 A, no load speed rating of 8000 to 30,000 rpm, collet size of 1/8 in. Weighs only 1.2 lb. 40-piece accessory set includes 10 aluminum-oxide grinding stones, seven cut-off wheels, eight sanding discs, one aluminum-oxide grinding wheel, 1-1/2 in sanding drum, three sanding bands, two felt polishing wheels, three engraving cutters, two mandrels, one 1/8 in (3 mm) drill bit, one dressing stone, one wrench and one accessory storage case.