The M18 Brushless Cordless Compact 1/4-inch Hex Impact Driver is the industry's fastest 18-Volt compact impact solution. REDLINK electronics and REDLITHIUM batteries deliver 3,200 RPMs for best in class application speed. Brushless motor technology provides 1,600 inch/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.