These top quality chop, miter, and radial arm saw blades produce tight, perfectly cut miter joints with no bottom splinters. Forrest Chopmaster blades are made with double-hard C-4 Submicron Carbide for up to 300% longer life. A heavier than normal steel plate maintains maximum stability for the best cut. This 9”, 80 tooth Chopmaster blade works with all makes of chop, miter and radial arm saws with a 5/8” bore. Its kerf is 7/64” and the tooth style is 30 degree ATBR. Each blade is hand straightened to a runout of .001/.002 for maximum cut quality.