IRWIN MARATHON 24021 Circular Saw Blade, 6-1/2 in Dia, 5/8 in Arbor, 20-Teeth, Carbide Cutting Edge

Thin kerf, 0.071 in saw blade for portable corded saws. New heat vent/expansion slot design reduces vibration for longer life and straighter cuts. Construction-grade carbide teeth for longer life. Reinforced shoulder for added durability. Alternate top bevel, 20 deg hook angle.