The Jonnesway Ultra Light Impact Wrench, No. JAI-1138L, offers a compact mechanism that helps reduce the tool’s weight and volume by more than 30 percent to achieve 18.3 lbs of weight, according to the company. This impact provides 2,000 ft/lbs of maximum torque and 1,800 ft/lbs of working torque. The JAI-1138L features a 1" square drive, an extended anvil for an overall length of 19.2", a twin-hammer clutch mechanism and more.