Diamond Vantage® General-Purpose Quality Diamond Blade, Series: Y100 Series, 4-1/2 in Diameter, 0.08 in Thickness, Segmented Rim, Dry/Wet Cut, 7/8 to 5/8 in Arbor, 8725 rpm Maximum Speed, Cut Materials: Block, Brick, Cured Concrete, Reinforced Concrete, For Use With: Small and Large Angle Grinder and Circular Saw