The IRWIN Marathon 12in. 100-tooth circular saw blade is designed tough and long lasting for the professional. The thin kerf design provides faster, cleaner cutting action as less material is being removed. The hardened plate runs truer and avoids warping. C3 carbide tips provide long life and are impact resistant. The specifically engineered heat vents reduce heat and resin build up which can lead to blade binding and warping. Marathons unique shoulder design puts more support behind each tooth and provides for consistent chip removal. Marathon saw blades are truly Long Distance Runners.Blade Use Trim Finish Blade Diameter (in.) 12 TPI (Teeth per Inch) 100 Tooth Grind # 400 Grit Diamond Ground Tip Type Construction Micro Grain Carbide Reinforced Shoulder Yes Engineered Venting Yes Professional Series Yes Blades (qty.) 1.# Thin kerf for fast cuts # Construction micro grain carbide teeth for longer life # Diamond ground teeth for faster, cleaner cuts # Precision tensioned and balanced plate for an accurate and true cut # Reinforced shoulder for added durability.
