Milwaukee M18 2850-20 18-Volt 1/4-Inch Brushless Impact Driver - Bare Tool;

The M18 Brushless Cordless Compact 1/4 in. Hex Impact Driver is the industry's fastest 18-Volt compact impact solution. REDLINK and REDLITHIUM technology delivers 3,200 RPMs for best in class application speed. Brushless motor technology provides 1,600 in./lbs. of torque, more runtime and a more compact tool at 5.1, which means less trips to the charger and greater access in tight spaces.