The compact, rugged 1/2 "drill and driver set features the innovative Bosch jacked stator engine, which delivers the same power, but with lighter weight and a more compact design. The robust mandrel of the tool provides better strength, improved tip retention and better torque transfer. The drill provides powerful performance, with 600 in-lb of torque and two drilling speeds (0-1 700 rpm for high speed and 0-500 rpm for high torque). This cordless drill features Bosch's compact, rugged design: weighs only 3.5 lbs and has the shortest head in its class (7.0 inches long). It is a durable and powerful drill, usable for the hardest materials. It is equipped with the electronic engine protection system which protects it against overloads.Durable, heavy-duty chuck – better bit retention and great torque transferInnovative, lighter 18V canned motor – more compact but the same powerCompact Tough design – shortest head-length in class for maneuverabilityTough motor – all-day productivity with 600 In.-Lbs. of torqueComfortable to use – weighs only 2.6 Lbs. and is only 7.5 In. longErgonomic grip zone – small diameter enables better gripping and greater comfortOutstanding control - variable drilling speeds for high speed (0-1,700 RPM) and high torque (0-500 RPM)Versatility for more productivity – keyless ratcheting 1/2 In. chuck enables one-handed bit changesElectronic Motor Protection system – longer life in tool, helps protect it from overload