Ideal for the home hobbyist Mini Grinder The rotary tool is a multi-purpose tool able to cut, drill, polish, grind, sand, engrave and has many other uses based on the accessory attached to the collet It works on a high speed, low torque principle where the revolution can attain 30,000 rpm compare to a typical 2,800 rpm for an electric drill The speed combined with the proper accessory does the work Specifications Voltage: 120V Cycle: 60Hz Power: 135W RPM: 8,000 - 32,500/min Includes 10 Pc: 1/2" x 1/2" sanding band 12 Pc: 1/4" x 1/2" sanding band 1 Pc: 1/2" x 1/8" drum sander 1 Pc: 1/4" x 1/2" x 1/8" drum sander 1 Pc: 1" cloth wheel 1 Pc: 7/8" rubber polisher wheel 1 Pc: 3/8" felt polishing tip 4 Pc: 1/2" x 1/4" felt polishing wheel 1 Pc: 1" x 1/4" felt polishing wheel 2 Pc: 1/8" high speed cutter 8 Pc: 1/8" diamond cutter 4 Pc: 1/8" silicone carbide grinding stone 6 Pc: 1/8" silicone oxide grinding stone 3 Pc: 1/8" carbon steel brush 3 Pc: 1/8" brass brush 3 Pc: 1/8" nylon brush 2 Pc: 1/8" collet 1 Pc: 3/32" collet 1 Pc: 1/16" collet 4 Pc: 1/8" screw mandrel 1 Pc: 1" x 3/8" dressing stone 6 Pc: 3/4" x 1/8" silcone oxide grinding wheel 6 Pc: 3/4" x 1/8" silicone carbide grinding wheel 1 Pc: 3/8" wrench 1 Pc: 1-1/4" x 3/8" x 1/8" flap wheel 5 Pc: 1-1/4" x 3/64" fibre glass reinforced cut-off wheel 28 Pc: 15/16" x 1/32" cut-off wheel 36 Pc: 3/4" x 2" sand disc 2 Pc: polish compound 6 Pc: HSS bit 1 Pc: rotary tool 1 Pc: case