With electronic speed control (equipped with a thyristor), providing high torque even at low RPM. Elongated drill guide for an ideal grip position. Play-free operation due to miniature ball bearings, with a precision quick-release chuck for tools with a shank diameter of 0.4 to 3.5 mm. Voltage up to 18 VDC, power 45 watts, average current consumption approximately 1 A, no-load speed up to 20,000 RPM, weight 210 g, length 190 mm, diameter 34 mm.