Dong Cheng 20V Brushless Heavy-duty Impact Drill, 443 in-lbs, 27000 IPM, 1/2″ Keyless Metal Chuck, 20+1+1 Clutch, Cordless Hammer Drill with 2 Battery Kit for Drilling Brick Wall, Metal, Wood

Heavy-duty Impact Drill: Efficient power through Brushless Motor that delivers 443 in-lbs.(50N.m) of Max torque to run cooler and more efficiently for longer life.
1 Hammer drill, 3 Jobs: Drill, Drive & Hammer with Ease – Switch seamlessly between modes for any task. Dual-speed setting(0-550 & 0-1,800 RPM) (27,000 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 20+1+1 clutch setting to prevent overdriving or damaging as a ideal drill for delicate and heavy-duty task.