Dewalt DCD950KXR 18-volt Cordless XRP 1/2-Inch Hammer Drill Kit - Factory Serviced XRP extended run-time batteries provide long run-time and battery life 3-speed all-metal transmission matches the tool to task for fastest application speed and improved run time Heavy-duty 1/2" metal ratcheting chuck with carbide inserts provides superior bit gripping strength LED worklight provides increased visibility in confined spaces High power, high efficiency motor delivers 450 unit watts out of max power for superior performance in all drilling and fastening applications