DCK Brushless Hammer Drill, 20V Hammer Drill Cordless, 531In-lb, 1/2″ All-Metal Chuck, Variable Speeds, 22+1+1 Torque Setting, 4.0Ah Battery & Charger, Drill Kit for Concrete, Metal, Wood (KDJZ05-13)

[Efficient and Durable Brushless Motor] Brushless motors can not only increase the power of your cordless drill, but also extend its lifespan. In addition to reducing vibration and noise, this also improves the portability of cordless drill with battery and charger. Brushless technology has no contact area, greatly reducing wear and maintenance. The powerful brushless motor provides torque up to 531In.lbs. It can perfectly complete screwing and drilling. Suitable for professional and home use.
[1/2″ All-metal Ratcheting Keyless Chuck] The hammer drill kit is designed with an all-metal chuck for a greater bit of holding force. Compared with plastic chucks, metal chucks are more durable for heavy duty. With the 1/2″ all-metal ratcheting keyless chuck, it provides greater bit retention and increases productivity. Maximum drill diameter: reinforced concrete φ1/2”, wood φ3/2″. It can meet construction site reinforcement, drilling use, or daily carpentry work.
[2 Variable Speed & 22+1+1 Torque Setting] The variable speed trigger controls 2 speeds, 0-550/0-2000 RPM. The reverse switch on the body of the power drill set allows forward and reverse operation for perfect control. The 22+1+1 torque setting gives the hammer drill a driver, drill, and impact function, three in one. The torque setting provides the ability to drill in hard materials such as wood, concrete, masonry, metal, cinder block or drill ice auger for ice fishing.