These 20″ x.160″ x 1″ high-HP blades are specifically designed for cutting asphalt. They feature an ideal bond and structure that enhances the cutting speed and performance against abrasive materials such as asphalt. Engineered to fit different power levels of equipment used by paving companies, parking lot repair, demolition contractors, commercial contractors, concrete contractors, and general contractors. The blades use undercut protection for extended cutting life. Use wet or dry. If you need to cut asphalt on your next job site or project then this is the blade you need to have with you.