The AX™ delivers up to 50X life over standard recip saw blades. The heavy duty blade cuts through a wide variety of materials including nail-embedded wood, durlock, plaster and shingles. Each blade tooth has 25% more carbide than leading carbide competitors and feature Nail Guard™ to rip nails without ripping teeth. Optimized tooth design ensures The AX(tm) blades deliver extreme life in wood cuting applications.