Continuous rim for ultra smooth cuts. Cuts ceramic tile, granite, marble, slate and porcelain. These diamond blades contains 10 percent more diamond than standard blades, providing long life. Circular saw bladeContinuous rim for ultra smooth cutsIdeal for cutting ceramic tile, granite, marble, slate and porcelain13,500 maximum RPM7/8 in.-20 mm to 5/8 in. arbor4-1/2 in.