Walk-Behind Concrete Saw Power Source Gas Powered Series FS 500 Primary Saw Application Asphalt Concrete Tool Style Walk-Behind Blade Dia 20 in Max Blade Speed 2 110 RPM Horsepower 20.8 Arbor Size 1 in Arbor Shape Round Cutting Type Wet Max Cutting Depth 7 5/8 in Variable Speed Yes Tool Weight 325 lb Fuel Type Gasoline Engine Type Four Stroke Engine Brand Honda Start Type Electric Includes Water Mist Coolant System For Standard Water Hose