Makita TW0350 3.5 Amp 1/2-Inch Square Impact Wrench
Makita's 47% larger, more efficient hammer provides greater impact power for optimal results.  Delivering a maximum fastening torque of 260 ft.lbs, and weighing only 6.4 lbs, it's easy to understand why the TWO350 has become the industries leader.  Ideal for concrete anchors (LDT's), framers, deck builders, installers, automotive mechanics, and agriculture applications.