This DEWALT 2 two tool combo kit comes with the DCD777 brushless drill, the DCG413 grinder, (2) 20 volt POWERSTACK batteries, DCB115 charger and bag to keep everything together. The DCD777 Drill/Driver is designed with a high-performance motor that delivers 340 unit watts out (UWO) of power. This compact, lightweight design can tackle a wide range of applications and features a 2-speed transmission and single sleeve ratcheting chuck. The DCG413 brushless 4 1/2 in. small angle grinder requires no time changing brushes, and offers a longer motor life. It offers a high level of protection. Its break stops the wheel in 2 seconds or less. The Kickback Break engages maximum force to stop the wheel when there is a pinch, stall, or bind-up to reduce kickback. The grinder will also shut off in those events to further protect the user. The 20V MAX* DEWALT POWERSTACK Compact Battery is 50% more powerful, 25% more compact, and 15% lighter**. This battery features an impact-resistant, rubber overmold base and utilizes revolutionary pouch cell battery technology to provide twice the lifetime**. Engineered to get into tight spaces without sacrificing performance, our most powerful, most compact, and lightest weight battery** is compatible with the 20V MAX* tools and chargers you already own.