The Milwaukee M12 Drill/Impact Combo Kit contains both the M12 3/8-inch drill driver and the M12 1/4-inch hex impact driver. They are both powered by unique REDLITHIUM batteries, which offer longer run times and more power than other conventional lithium batteries. Designed with a cordless lithium-ion system, this Milwaukee tool combo can deliver 275 in-lbs. of torque and up to 1,500 rpm using the 3/8-inch drill driver or 1,000 in-lbs. of torque and up to 2,500 rpm using the 1/4-inch hex impact driver. The 3/8-inch drill driver contains a metal ratcheting chuck for optimum strength and bit gripping on the job. Both drill drivers in this cordless tool combo are lightweight and feature ergonomic handles for increased comfort and a convenient onboard fuel gauge, allowing you to monitor the battery charge in real-time to help prevent sudden interruptions. In addition, this drill/impact combo kit includes a convenient carrying case for easy transportation across sites, and a charging station.