DCF 860 B: This 20-Volt MAX XR 3-Speed High Torque Impact Driver is engineered for the demands of the pro with a max torque of 2,500 in./lbs., making it our highest torque impact driver. Maximize productivity with up to 63% faster driving, a no-load speed of 0-3,800 RPM, 9 built-in LEDs and 3-speed mode select to power through tough jobs. Battery and charger sold separately. DWAMRA: Accomplish a variety of applications on the jobsite with 1 system. The 2-in-1 System transforms to quickly switch between a Compact Right Angle and a Standard Right Angle. Withstand the power of today's impact drivers with the metal gearcase design and access tight spaces with its short 1.5 in. H. Includes both DCF 860 B and DWAMRA.