DeWalt 20V MAX* Atomic Brushless Cordless 3-speed 1/4 In. Impact Driver Kit DCF850P1DeWalt 20V Max Atomic Brushless Cordless 3 speed 1 4 In. Impact Driver Kit DCF850P1 Tackle tough jobs and maneuver in small spaces with the ATOMIC 20V MAX* 3 Speed 1 4 in. Impact Driver. At less than 4 in. (front to back), this Impact Driver features 1,825 in lbs. of torque and 3,250 rpm for driving large screws. Features: Maneuver With Ease Access difficult to reach spots with a compact, ergonomic design. High Performance Brushless Motor Drive large