This 20V MAX* Brushless 2-tool combo kit includes one XR brushless 4-1/2 in. angle grinder, compact brushless ½ in. drill/driver, two batteries, charger, and kit bag. Reduce kickback with the DCG413 integrated kickback break stopping the wheel when there is a pinch, stall, or bind-up. The DCD777 features a 2-speed transmission for a wide variety of applications and an LED with 20-second trigger delay. This cordless kit includes two of our most powerful, most compact, and lightest weight 20V MAX* batteries**, with 50% more power, 25% more compact, and 15% less weight than the DCB203**. DEWALT POWERSTACK compact batteries work with all DEWALT 20V MAX* power tools and chargers.