Irwin 4935624 Marathon 10" x 6-Tooth PCD Fiber Cement Circular Saw Blade 10" Diameter x 6 Tooth with 5/8" Arbor Polycrystalline Diamond Tipped Teeth provides longer life - Lasts up to 15X longer Lasts up to 15X longer compared to a standard carbide fiber cement blade Less dust compared to a standard carbide fiber cement blade Cuts up to 9,000 feet / 5 stacks of Fiber Cement