The Dewalt® 20 V Max XR Brushless rotary hammer offers an optimal concrete drilling performance (5/32'' to 1/2''). The drill is equipped with a brushless motor for extended runtime and durability that deliver 2.1 joules of impact energy giving you corded power without the cord. Its outstanding power-to-weight ratio results in superior productivity. The factory-set clutch reduces sudden, high torque reactions if bit jams. The Shocks (Active Vibration Control) reduces vibration felt by the user at the handles. The retractable utility hook allows for convenient hanging and the optimized ergonomic design provides exceptional overhead drilling experience. This product is backed by a 3-year limited warranty, 2-year free service contract and a 90-day money back warranty.