M.K. Morse® Diamond Circular Saw Blade, series: Metal Devil™, 4-1/2 in Blade dia, 7/8 in, 5/8 in, 0.05 in Cutting Width, 13000 RPM Maximum, Applicable Materials: Cast Iron, Metal Stud, Non-Ferrous Metal, Rebar, Tubing and Structural Steel, Stainless Steel, Steel and Solid. M.K. Morse® CSD4500C Metal Devil™ Diamond Circular Saw Blade, 4-1/2 in Blade, 7/8 in, 5/8 in, 0.05 in W