Precision ground teeth for smooth, accurate cuts. Corrosion-resistant coating helps prevent rusting. Heavy-gauge high-carbon steel for extended life. Features a 5/8-Inch Universal Arbor. 16 tooth count is best for use with medium-thickness metals. IRWIN Tools Classic Series Carbide Corded Circular Saw Blades, 7 1/4-inch, 16T, .087-inch Kerf (15030)