These 24″ x.145″ x 1″ Asphalt Blades are specifically designed for asphalt cutting. They are engineered to fit the different power levels of equipment used by paving companies, parking lot repair, demolition contractors, commercial contractors, concrete contractors, and general contractors. These blades utilize undercut protection for extended cutting life. Use wet or dry. The Paragon Diamond Tools ASP-24-145 24” x.145 x 1” Asphalt Blade is a blade you can rely on when working with asphalt.