... : Engine:Gasoline,Diesel,Electric Blade Size:12",14",16",18", 20" 300mm,350mm,400mm,450mm,500mm Concrete Saw Cutting Machine Features: 1 ... to replace blade.7. Easy to move, maintenance and transport. Concrete Saw Cutting Machine Model Option: CONSMAC have an extensive size optional ... , 406mm/16in) Blades(406mm/16in, 457mm/18in) Concrete Saw Concrete Cutting Equipment