The Jonnesway 1/2" Impact Wrench, No. JAI-1014, weighs 2.87lbs and includes a jumbo hammer mechanism design. This impact wrench provides 450 ft/lbs of torque, a free speed of 10,000 rpm and it has a patent design of tool-free switch for left- or right-hand operation. The user-friendly torque control regulator increases one-hand operating comfort and can be used in narrow and tight spaces, according to the company.