The DCH273P2DH 20V Max XR Brushless Rotary Hammer is a high-performance drill that is powered by a DEWALT brushless motor and a durable German engineered mechanism that delivers 2.1 joules of impact energy. Coupled with its light weight design and SHOCKS Active Vibration Control technology, this hammer is ideal when used in overhead applications. The DCH273P2DH dust extraction system features a powerful built in motor for increased suction and high performance drilling. The 2-second power-off delay ensures that dust extraction continues after drill is switched off. Featuring a durable clear high capacity dust box, replaceable dust nozzle, replaceable HEPA Filter, and a quick release for easy attachment and disassembly. Benefiting the user with the ability to use carbide drill bit diameters up to 5/8, which allows users to drill overhead for 1/2" dropins.