Overview Reviews Product Description Ultra-thin kerf delivers more cuts per charge and extends cordless tool battery life.Face-ground, construction-grade carbide teeth for fast, clean cuts and long tool life.Aggressive hook angle for fast cuts.18 tooth count blades are best for use with medium-thickness metals.Irwin tools marathon carbide cordless circular saw blade, 6 1/2-inch, 18t (14020). Irwin Tools Catalog Product Videos Custom Field Manufacturing country CN Product Reviews Write a Review Write a Review × Irwin 6-1/2" 18T Marathon® Carbide Circular Saw Blade 14020 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *