12V to 230V adaptor. Variable speed control with feedback effect for optimum tool speed and high torque at low speeds. Three polarised sockets for MICROMOT machines. A pair of sockets for standard banana plugs (4mm diameter) is also supplied. Master switch for turning off the transformer without needing to unplug. Red LED indicates 'ready'. PTC (Positive Temperature Coefficient) element prevents overload (and plugged-in tool will not restart automatically). After cooling down, the mains plug should briefly be unplugged to reset the adaptor. With storage holes for tools with 2.35mm and 3mm shafts. Foldable tool rest for the MICROMOT tool. The mains adaptors do not include the illustrated mill/drill units.