DuraForce Circular Saw Blades are ideal for getting both general purpose and fine finish wood cutting job done. All the blades have a laser-cut body, bore, and vents. DuraForce's application-specific, high density Wolfram (tungsten) carbide delivers sharp and clean cutting with improved edge retention, and is designed to extend the blade's use up to six times longer than a standard blade. Laser-cut stabilizer slots absorb noise, vibration, and prevents blade wobble. The DuraGuard anti-stick coating provides additional protection by reducing friction and heat buildup.ircular Saw Blades