Walk Behind Floor sawing: Engine:Gasoline,Diesel,Electric Blade Size:12",14",16",18", 20" 300mm,350mm,400mm,450mm,500mm Concrete Saw Cutting Machine Features: 1. Highed front, lift-up blade guard is designed for easy blade replacement. 2. Blade shaft bearing is made in Japan. 3. Effective down cutting system for improved work efficiency. 4. Rustless poly water tank provides a optimum flow water ...