modern nail drill machine with a twist lock handle.  high power ensures comfort of work.  controlling the device with a potentiometer in the base and a foot pedal. very light and handy head. the set includes: - nail drill head - nail drill machine base - foot pedal - head support - manual - warranty 12 months original product saeyang / marathon made in korea technical data: - torque 5.71 mnm - power supply 100 / 220v / 50-60 hz - power 45 watts - ergonomic casing - right and left rotation - switch and speed control in the power supply / base - smooth speed control from 0-30 thousand.  - cutter diameter 2.32 - twist-lock handle (cutter replacement with one move) - head weight - 148 g - head dimensions - 140 x 26