Highest torque of its class, two gear speeds. Mechanical speed setting and stepless transmission. Designed for continuous operation. Superior safety by overheat protection, motor cut-out feature in a permanent over-load situation. Encapsulated housing, slim-line space-saving design. Clear front panel layout for ease of operation. Maintenance and spark-free condenser motor. Includes chuck and 3 year warranty. Speed range I 40 - 400rpm Speed range II 200 - 2000rpm