The Fein BOS16-2 features the 1200 watt power consumption, 2-speed gearbox (520 & 1600 RPM), metal 3-jaw chuck with retracting chuck jaws, torsion free barrel type motor housing, and forward and reverse rotations. It also has a capacity of 5/8" / 3/8" diameter in stainless steel and steel, 13/16" / 9/16" diameter in light alloy, 2" diameter in wood. Includes (1) BOS16 bare tool, (1) handle, and (1) SURPA SKE single-collar 3-jaw metal chuck.