Carbide teeth are welded not brazed, resulting in 30% stronger tooth bond, longer life, and durability. UC2 carbide with sub-micro grain is 70% tougher than standard carbide, stays sharp longer, and offers best-in-class cut quality. Innovative heat vents and expansion slots help make straighter cuts. Reinforced shoulder provides durability. 24 tooth count blades are ideally suited for framing, ripping, and deck jobs. IRWIN Tools MARATHON WeldTec Corded Circular Saw Blade, 7 1/4-inch, 24T (14035)