The Bosch CLPK222-181 18 V Cordless Combo Kit is a two-in-one timesaver for pros of all trades who need top-of-the-line power in a conveinent package. This kit includes the Bosch HDH181X Brute Tough 1/2 In. Hammer Drill/Driver and the Bosch 25618 1/4 In. Hex Impact Driver. The drill/driver includes Active Response Technology, which diminishes the risk of injury from bind-up situations. Its four-pole open-frame motor supplies 750 In.-Lbs. of torque and up to 27,750 BPM. The impact driver is up to 27 percent faster than other drivers in class, providing 1,500 In.-Lbs. of torque, 2,800 RPM and 3,200 BPM for professional driving applications. The included two 18V Lithium-Ion FatPack Batteries and a Bosch BC660 charger ensure these tools run continuously and all day.