Bare-Tool Milwaukee 2602-20 M18 18-Volt Cordless 1/2-Inch Hammer Drill/Driver (Tool Only, No Battery)
Built with a Milwaukee 4-pole frameless motor, the Milwaukee 2602-20 M18 Cordless 1/2" Hammer Drill/ Driver delivers 550 in-lbs of peak torque with the M18 XC High Capacity LITHIUM-ION Battery and 450 in-lbs of peak torque with the M18 Compact LITHIUM Battery.  At only 8-1/2" in overall, the M18 Cordless 1/2" Hammer Drill/Driver fits in tight spaces and also reduces user fatigue. An all metal gear case provides maximum durabilty and Milwaukee's DPM-Digital Power Manangement  Technology extends tool and battery life.