DCF624B: Screwgun with Threaded Clutch Housing features a DEWALT built brushless motor capable of up to 2,000 RPMs delivering the torque needed for heavier duty fastening applications. The tool's threaded clutch housing is designed to allow the tool to be paired with collated fastening systems from a variety of third party manufacturers to improve installation time and ease of use. Charger sold separately. DCBP320: The 20V MAX XR POWERSTACK 3.5Ah battery delivers 50% more power and a longer lifespan. Engineered with pouch cell technology, our best performing 20V MAX 3.5Ah battery powers through tough jobs, day in and day out. XR POWERSTACK batteries are a part of our best performing line of 20V MAX batteries and are compatible with 20V MAX tools. Includes DCF624B and DCBP320.