LACKMOND PRM Saw Blade, 8.5 mm Segment Height, Segmented Blade, 4 in Diameter, 7/8 in, 5/8 in, 20 mm Arbor, 9072 to 15000 rpm Speed, Diamond Cutting Edge, 0.08 in Kerf, 1 in Cutting Depth, Applicable Materials: Brick, Block, Concrete and Natural Stone, Suitable for: Circular Saws and Hand Grinders