LACKMOND PRM Saw Blade, 8.5 mm Segment Height, Segmented Blade, 4-1/2 in Diameter, 7/8 in, 5/8 in, 20 mm Arbor, 8063 to 13300 rpm Speed, Diamond Cutting Edge, 0.08 in Kerf, 1-1/4 in Cutting Depth, Applicable Materials: Brick, Block, Concrete and Natural Stone, Suitable for: Circular Saws and Hand Grinders