IRWIN Tools MARATHON Carbide Table / Miter Circular Blade, 10-Inch, 40T (14070) N/A Imported Irwin General Purpose, 5/8 In Arbor 10 In X 40T The IRWIN Tools 14070 10-Inch by 40T General Purpose This is manufactured in China Ultra-thin kerf delivers more cuts per charge and extends cordless tool battery life. 400 grit diamond-ground construction-grade carbide teeth make for fast, clean cuts and long tool life. The aggressive hook angle cuts fast. Blade is precision-tensioned and balanced for optimal performance with miter and table saws where smooth finish and accurate cuts are critical. 40 tooth count blades are ideally suited for trim and finish jobs and cutting plywood quickly.