The M18 1/2 in. Compact Brushless Drill/Driver delivers the most power in its class while maintaining compact size. The Milwaukee built brushless motor, REDLINK Electronics and REDLITHIUM batteries provides more efficient power delivery, for fewer trips to the charger. At only 6-1/2 in. L and 3.4 lbs. (with battery), this drill provides excellent control and balance in a compact size, perfect for work overhead or in tight spaces.