The DEWALT 20V MAX Belt Sander is a cordless, brushless power tool that runs on lithium-ion battery technology. With a 3-inch disc diameter and 20V voltage, this belt sander is designed for efficient and precise sanding tasks. The tool-only model (DCW220B) does not include a battery, allowing users to pair it with their existing DEWALT 20V MAX XR batteries. With free shipping included, this belt sander offers convenience and functionality for DIY enthusiasts and professionals alike.