DCW211B: Designed for the professional woodworker, remodeler, carpenter, and general contractor, the 20-Volt MAX XR 5 in. Random Orbital Sander is ideal for small surfaces and tight spaces. With variable speeds from 8,000 to 12,000 (no load) OPM this sander adapts to the task at hand, leaving a fine finish. Sand areas up to 50 sq-ft. with ease. Equipped with the DEWALT AirLock system to help maintain a clean work environment, this product collects up to 95% of dust when using a compatible DEWALT dust extractor (sold separately). Built for professionals who demand fast material removal, low vibration, and outstanding control, our best performing 20-Volt MAX 5 in. random orbital sander tackles sanding jobs with ease. DCB2460C: This 20-Volt MAX starter kit includes a 6.0Ah battery, a 4.0Ah battery, 4 Amp charger, and a kit bag. Both batteries are compact in size and lightweight, providing ergonomic benefits for increased tool maneuverability and control for overhead applications. The charger is compatible with all DEWALT 12-Volt and 20-Volt MAX Lithium-Ion battery packs, this charger is easy to use, quiet and exceptionally stable with its 4-plastic ft. Includes both DCW211B and DCB2460C.