A mini rotary drill marketed for woodworking, polishing and fine tasks such as jewelry or dental lab work. Model 109 runs from an AC source at 220 V, 50/60 Hz, with a rated input power of 130 W and no-load speed up to 30,000 rpm. Maximum drill shank diameter is 3.0 mm (about 0.12 in). The tool weighs approximately 8.38 lb and is offered with customization options. Brand: dutoofree.