... ",18", 20" 300mm,350mm,400mm,450mm,500mm Concrete Saw Cutting Machine Features: 1. Highed front, lift-up blade guard is designed for easy blade ... : with 18" blade (450mm blade)SC20: with 20" blade( 500mm blade) Concrete Saw Cutting Machine Engine Option: Gasoline engine HONDA: Honda GX160(5 ... AccessoryBlades(355mm/14in, 406mm/16in) Blades(406mm/16in, 457mm/18in) Cutting Machine For Asphalt and Concrete ...