Get this DeWalt 20V MAX Cordless Brushless 1/2 in. Hammer Drill/Driver for delivery. The 1/2 in. Cordless Hammer Drill has up to 42% more power when paired with a DCB606 FLEXVOLT battery vs a DCB205 20V MAX* 5.0Ah battery. This kit includes one 6.0Ah FLEXVOLT battery, 6 Amp charger, and kit bag. GREAT BIT GRIP: Heavy-duty 1/2 in. ratcheting nitro-carburized metal chuck with carbide inserts for superior bit gripping strength.