The cut off saw delivers you with the Power To Cut Reinforced Concrete as well as a large variety of other metal and masonry materials. It delivers this performance while still being Up To 50% Lighter Than Gas demo saws that are in the market today. By utilizing our M18™ REDLITHIUM™ HIGH OUTPUT™ HD12.0 Battery (not included), the saw also ensures you will experience No Gas Headaches. The concrete cutting saw produces no fumes so you can use it indoors. It also starts up instantly, eliminates your need to mix gas and oil, and there is no gas engine maintenance. The M18 FUEL™ 9″ Cut-Off Saw also has ONE-KEY™ integrated so you can wirelessly connect the tool with your smartphone to track and manage the tool.