CS Unitec’s heavy-duty pneumatic cut-off saws are designed for wet or dry cutting of concrete, reinforced concrete, asphalt, masonry, steel and other tough materials. The hand-held models cut up to 7 inches deep. The saws accept either diamond or abrasive blades. With no belts, pistons, fuel lines or carburetors, these saws are engineered to require very little maintenance. The CSH-150 gear-driven model is 9.5 hp and its maximum blade capacity of 18 inches allows a 7-inch depth of cut. The CSH-150 consumes 92 cfm at 100 psi and the motor has a no-load speed of 3,200 rpm. It weighs 28 pounds.