Go the distance with long-lasting Irwin blades. The Irwin Tools 24070 Marathon - 10-Inch 40 Teeth Circular Saw Blade with 5/8-Inch Arbor is designed for general purpose wood cutting applications. The blade has #40 grit diamond ground teeth for a smooth finish and is tension balanced to run true and straight. The teeth are made of construction grade carbide and the body features a thin kerf for fast smooth cuts. Silicone coat allows the blade to slice easier through material reducing pitch and resin buildup when cutting pressure-treated lumber. Construction-grade carbide teeth deliver longer blade life. Every other tooth is thinner for faster cuts. The innovative heat vent/expansion slot design reduces vibration for longer life and straighter cuts. Plate is fully hardened to run truer, longer. 40 tooth count blades are ideally suited for trim and finish jobs. IRWIN Tools MARATHON Carbide Table / Miter Circular