Perfect for the HVAC or installation professional, the DEWALT 18-Volt NiCad Battery 2-Tool Combo Kit includes an 18-Volt 1/2 in. cordless compact drill/driver and an 18-Volt 1/4 in. cordless impact driver. The impact driver packs a punch, delivering 1,170 in.-lb. of torque and 0 - 2,400 RPM, and the compact drill/driver provides a maximum power of 380 unit watts out.