The SP Air 1" Heavy Duty Impact Wrenches, Nos. SP-1194-2, SP-1194-6 and SP-1194-8, offer 2", 4" and 6" anvils. With aluminum housing that weighs just 15 lbs, the tool offers a three-position speed control and full power reverse as well as a twin-hammer mechanism and an auxiliary side handle that is adjustable to any angle. These impacts, which are made in Japan, provide 1,800 ft/lbs of maximum torque.