The Milwaukee M18 Fuel rear handles 7-1/4 in. circular saw kit is designed for the professional carpenter， remodeler， and general contractor. The circular saw generates the power of 15 amp corded saws， cuts faster than 15 amp corded saws and delivers up to 570 cuts per charge with an M18 Redlithium High Output HD12.0 battery. The Powerstate brushless motor provides this worm drive style saw with 5，800 RPM and higher speeds under load， delivering corded cutting performance. Redlink Plus intelligence lets the tool achieve maximum performance and protects the circular saw from overload， overheating， and over-discharge. The M18 Redlithium High Output HD12.0 battery is compatible with all M18 tools， runs 50% cooler， and delivers unmatched run times and 50% more power. The cordless circular saw has an electric blade brake， LED work light， and all magnesium guards and shoes， increasing productivity and providing the durability to handle the toughest jobs. A multi-sized rafter hook allows the handheld circular saw to be stored on different materials. The saw's gears don’t require oiling and maintenance reducing downtime and getting jobs done faster.