IRWIN Tools Steel Table / Miter Circular Saw Blade, 10-Inch, 80 Tooth (11270ZR) Precision-ground teeth allow for smooth, accurate cuts. Fully hardened plate runs truer longer. Heavy-gauge high-carbon steel for extended life. Features a 5/8-Inch Universal Arbor. 80 tooth count woodworking blades are best for ultra-smooth cross-cutting.