DeWalt Angle Grinder | Brushless | 18V XR | DCG405NA powerful, brushless cordless angle grinder with electronic clutch and brake delivers better performance, runtime, and less service costs. Key Features: 18V XR cordless body only (battery and charger sold separately) 125mm disc diameter standard size for grinding and cutting 9,000 rpm no load speed fast material removal Brushless motor extended runtime and durability Electronic clutch (Kickback Brake) reduces kickback in the event of a stall