DCG402B: Complete high-powered applications in tight spaces using the ATOMIC 20-Volt MAX Die Grinder with Lanyard Ready Attachment Point (lanyard sold separately). This tool is equipped with the DEWALT ANTI-ROTATION System to help maximize control. This feature quickly stops the wheel when a pinch, stall, or bind-up event is sensed, reducing reactionary torque. An ergonomic design allows this tool to access ultra tight spaces. Featuring a Lanyard Ready Attachment Point, up to 445 MWO, and a maneuverable design, this grinder is ideal for working at height. Replace pneumatic die grinders with the ATOMIC 20-Volt MAX Die Grinder with Lanyard Ready Attachment Point that delivers untethered performance, productivity, and pneumatic-like power. DCBP320C: The 20-Volts MAX XR Power Stack 3.5 Ah battery delivers 50% more power and a longer lifespan. Engineered with pouch cell technology, our best performing 20-Volts MAX 3.5Ah battery powers through tough jobs, day in and day out. XR Power Stack batteries are a part of our best performing line of 20-Volts MAX batteries and are compatible with 20-Volt MAX tools. Includes both DCG402B and DCBP320C.