Our M12™ 1/4" Hex Impact Driver is optimized for high-speed fastening and delivers unmatched fastening performance in a lightweight, tool belt portable design. The impact driver's high-performance motor gives you 0-2,500 RPM for increased fastening speed. REDLITHIUM™ Battery Technology outperforms the competition, giving you up to 80% more runtime. An onboard battery fuel gauge displays remaining runtime. In addition to the compact hex impact driver, the kit includes two M12™ REDLITHIUM™ batteries, one M12™ charger, a belt clip, and a carrying case.