Extra high maximum tightening torque Electronic 3 stage impact power selection 3/4″ Square driving shank Standard bolt m12 to m30 High tensile bolt m10 to m24 1 year manufacturer warranty with a further 2 years when registered within 30 days of purchase. This guarantee does not apply where non-genuine or recommended parts or accessories are fitted to the tool. The use of non-genuine or compatible batteries and chargers with Makita Tools will invalidate the Makita guarantee for our tools., Weight: 7.495716908 pounds, Manufacturer: Makita