Dong Cheng 20V Brushless Hammer Drill, 1062 in-lbs, 1/2″ Keyless Metal Chuck, 24+1+1 Clutch, Cordless Hammer Drill with 4.0Ah Battery Kit for Drilling Brick Wall, Metal, Wood

Professional Heavy-duty Hammer Drill: Efficient power through Brushless Motor that delivers 1062 in-lbs.(120N.m) of Max torque to run cooler and more efficiently for longer life.
3-in-1 Functionality: Dual-speed setting(0-500 & 0-2,000 RPM) (0-32,000 BPM/IPM) covers a wide range of drilling, screwdriver and hammer applications with fast transition.
High strength & Controllability: 1/2″ high strength metal ratcheting chuck offers good bit retention and quick bit changes. Easy to control by 24+1+1 clutch setting to prevent overdriving or damaging as a ideal drill for delicate and heavy-duty task.