The Snap-on 18V 3/8" Drive MonsterLithium Cordless Impact Wrench, No. CT8810A, one of the fastest 3/8" impact wrenches on the market, according to the company, can remove a 7/8" bolt tightened at 300 ft/lbs in less than five seconds. The digital fuel gauge and micro-controller in the Li-ion battery monitors temperature and amperage to help keep the motor from overheating while the comfortable non-slip grip helps reduce hand fatigue. A one-watt LED illuminates workspaces with a simple pull of the trigger for better visibility. This impact provides 230 ft/lbs of torque output and completes a full charge in just 55 minutes. The CT8810A includes a battery charger, two Li-ion rechargeable batteries and a zippered storage bag.