Heavy-duty engine supplies the optimum blade shaft RPM to ensure the diamond blade cuts efficiently and effectively.  Blade and guard can be mounted either in the center of the saw for optimum balance and maneuverability, or laterally (on the outside of the saw) when cutting is to be performed along a wall, curbstone or other obstruction.  The 5-stage air filter system ensures reliable operation in dusty environments.  Furnished with one blade.