Marathon WeldTec framing circular saw blade has 30% stronger tooth bond with welded teeth that gives 50% longer life. Sub-micrograin carbide teeth are 70% more compact than standard carbide teeth and are sharpened to finer, more durable cutting edges that stay sharper longer. The E.O.T. grind technology with patented tooth design, where every other tooth is ground thinner, makes this the fastest wood cutting blade. Features innovative heat vents and expansion slots for straighter cuts, plus reinforced shoulder for durability. Carded.