Delivering 450 ft-lb fastening torque and 600 ft-lb nut-busting torque, the M18™ FUEL™ mid-torque impact wrench is more powerful while also being upto 4 in shorter and upto 2 lb lighter than many competitive impact wrenches. The POWERSTATE™ brushless motor delivers upto 0 to 2400 rpm resulting in increased productivity. REDLINK™ Plus™ intelligence is the most advanced electronic system on the market, preventing damage to the tool and battery caused by overloading or over heating. For use with REDLITHIUM™ compact batteries or extended capacity batteries, the M18™ FUEL™ mid-torque delivers more work per charge and more work over the life of the pack than competitive batteries on the market. The 3-mode DRIVE CONTROL™ provides greater control over output speed and power for greater versatility. At 6.7 in in length and 5.3 lb with a 5.0Ah battery, the M18™ fuel 1/2 in mid-torque impact wrench delivers the balance and weight desired by professionals for all day use. This tool includes 1/2 in pin detent anvil which provides superior socket retention. A new overmold material gives you ultimate comfort during prolonged use while lasting longer against corrosive materials.