Our M12™ 4-Piece Combo Kit features the M12™ cordless Lithium-Ion system's patented technologies, electronics, innovative motor design, and superior ergonomics that provide the most efficient blend of power, weight, and performance in the industry. These tools are powered by MILWAUKEE® REDLITHIUM™ to deliver you more torque, power, and longer run times than the competition. This kit includes the M12™ 3/8 in. Drill/Driver (2407-20), M12™ 1/4 in. Hex Impact Driver (2462-20), M12™ Hackzall Recip Saw (2420-20), M12™ Rotary Tool (2460-20), (3) M12™ REDLITHIUM™ CP1.5 Batteries (48-11-2401), and a contractor bag.