Bosch 3870-04 18 Volt Cordless 1/2-Inch Hammer Drill

This powerful unit is three tools in one - drill, driver and hammer! Bosch engineered motor and gear train deliver up to 450 in/lbs of torque. Its two speed gear train delivers 0-450/0-1500 rpm. 1/2-inch keyless, full metal single sleeve chuck for one-handed easy and fast bit changes. 17 position torque control clutch. Chuck has a ratcheting function to avoid bit slippage. This tool has a well balanced design with softgrip for control and comfort. Left or right assist handle for better control during high torque applications.