The Milwaukee M18 1/4-inch Hex Brushless Impact Driver is the most compact impact driver in its class and delivers over 50% longer runtime than impact drivers with brushed motors. The brushless motor, REDLINK electronics, and REDLITHIUM batteries provide more efficient power delivery, for fewer trips to the charger. At only 5 3/8-inches long and 3.1 lbs. (with battery), this impact driver provides excellent control and balance in a compact size, perfect for work overhead or in tight spaces. The M18 1/4-inch Hex Brushless Impact Driver delivers up to 1500 inch lbs. of torque and 0-2,800 RPM for a wide range of fastening applications.