The DeWalt DCF850N 18V XR Brushless Ultra Compact Impact Driver is DeWALT's latest answer to providing 205Nm of fastening torque in a class-leading head length of just 100mm. Developed from the ground up, this Generation 3 Impact Driver features several new technological advances that when combined with DeWALT's Powerstack Battery Pack, is able to produce more power, improved motor efficiency and durability to ultimately improve the return on investment when you spend your hard-earned cash on a DeWALT 18V Power Tool. Features An all-new, powerful, ultra-compact brushless motor that produces 205nm of fastening torque while still being able to fit within a head length of just 100mm. An even smaller power tool design that features DeWALT's signature XR ergonomic comfort grip and an overall reduced head length to just 100mm. A 3-mode select switch with "Precision Drive" which allows you to apply the correct speed for the application you're working on. DeWALT's Precision Drive offers