IRWIN Tools Classic Series Steel Corded Circular Saw Blade, 7 1/4-inch, 140T, .087-inch Kerf (11840) Precision-ground circular saw teeth for smooth, accurate cuts Fully-hardened circular saw blade plate runs truer, longer Heavy-gauge, high-carbon steel construction provides extended circular saw blade life 140 teeth count with top/face grind 7-1/4" blade length with 5/8" diamond arbor and 0.08" kerf Precision ground teeth for smooth, accurate cuts Fully hardened plate runs truer longer Heavy gauge high carbon steel for extended life 5/8" Arbor w/ diamond knockout