Makita BTW120SA 12 Volt MAKSTAR 1/2" Drive Cordless Impact Wrench Kit Powerful 12V Ni-MH MAKSTAR battery for longer run time Variable speed (0-2,300 RPM) for controlled fastening Efficient impact system (0-3,000 IPM) and compact design (6-15/16"" length) Ergonomically designed rubberized grip for reduced vibration Impact-resistant aluminum housing for durability Technologically advanced MAKSTAR battery and charger for extended battery life Rare earth magnet motor increases power by 20% without increasing size Externally accessible brushes for greater serviceability Rubber bumpers on tool to protect workpiece from scratches Electric brake for maximum productivity Ni-MH Battery BH1220 (193346-2) Charger DC14RA Tool Case (824635-1) LXWT01Z LXWT01 WT01W BTW253 BTW253Z BTL063 BTL063Z BTW450 BTW450Z BTW251 BTW251Z Maximum Torque of 1,064 in./lbs. Powerful 12V (2.0Ah) Ni-MH MAKSTAR battery for longer run-time Variable speed (0-2,300 RPM) for controlled fastening Efficient impact system (0-3,000 RPM) and compact design (6-15/16" length) Ergonomically designed rubberized grip for reduced vibration