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.40 tooth count blades are ideally suited for trim and finish jobs.Irwin tools marathon carbide cordless circular saw blade, 6 1/2-inch, 40t (14023). Irwin Tools Catalog Product Videos Custom Field Manufacturing country VN Product Reviews Write a Review Write a Review × Irwin 6-1/2" 40T Marathon® Carbide Circular Saw Blade 14023 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *