Endurance blades 6-1/2 48T offer faster cutting and extra long life thanks to carbide teeth made of C-6 grade micro ground carbide. With a modified triple chip grind providing an anti-kickback design while keeping the cutting edge sharper for longer periods of time. A hardened alloy steel body is used to ensure straight, accurate cuts. All these features add up to a high quality blade that contractors can depend on, time and time again.