QEP 6-4003TB Continuous Rim Diamond Blade, 4-Inch Diameter, 5/8-7/8-Inch Arbor, Wet Cutting, 9500 Maximum RPM Engineered to cut: tile, granite, marble, brick, brick pavers, concrete block, limestone and slate Continuous rim-Inchwet-Inch minimizes chipping Arbor size of 0.625-Inch, to 0.875-Inch 9500 Maximum RPM