Diamond Vantage® Diamond Blade, Series: X200 Series, 4-1/2 in Diameter, 0.8 in Thickness, Turbo Rim, Dry/Wet Cut, 7/8 to 5/8 in Arbor, 10185 rpm Maximum Speed, Cut Materials: Brick Paver, Engineered Stone, Flagstone, Granite, Sandstone, For Use With: Small and Large Angle Grinder, Additional Information: Heavy-Duty