This Concrete Saw is the ultimate multi-purpose cutting machine. It is designed to tackle the most demands. This lightweight walk-behind concrete saw is for small to medium jobs that require power and portability. Can choose gasoline, diesel, or motor three kinds of power, with 300-1000mm saw blade, to meet your various construction needs. Cuts through concrete and asphalt surfaces and sidewalks. It can be used for both wet and dry applications.