PERFORMANCE -1.8mm (0.071") thin kerf design for fast cut and smooth cutting action allows extremely durable with minimal material waste APPLICATION - Specially designed for cutting fibre cement boards and ultra hard materials – Hardie Plank, Eternit, MDF and Corian SURFANCE - Anti-stick coating reduces the rusting and corrosion LONG LISTING - 6 polycrystalline diamond-tipped teeth provide at least 50 times longer cutting life than standard carbide blades. 6 1/2-Inch 4 Teeth Polycrystalline Diamond Tipped Teeth Circular Saw Blade with 5/8 Inch Arbor, MAX RPM 8500