Makita TW0200 3.3 Amp 1/2-Inch Square Impact Wrench 0-2,200 impacts per minute for maximum efficiency Variable speed (0-2,200 RPM) for controlled fastening Impact-resistant aluminum gear case with rubber boot protects the all metal gears and offers increased durability High Max Torque (150 ft.lbs.) for demanding applications Efficient impact system with less vibration and longer tool life Compact length for easier handling and operator control Ergonomically designed rubberized grip for increased comfort and control Externally accessible brushes for greater serviceability Convenient tool hook attaches to both sides of tool Belt Clip (324284-9) Tool Case (824703-0) 6922NB TW1000 6953 TW0350 6906 Maximum fastening torque of 150 ft.lbs. Lightweight 4.6 lbs. Rocker type switch for one-handed forward / reverse operation Impact resistant aluminum gear case with protective rubber boot for increased durability. Externally accessible brushes for easy serviceability and ball bearings for longer tool life.