These blades contain 30 percent more diamond than standard blades, providing faster cuts and longest life. Segmented rim for fast, aggressive cuts. For use on high speed and hand-held saws. Cuts pavers, brick, concrete, block and asphalt. Cuts pavers, brick, concrete, block and asphalt. 1"-20mm - ARBOR - .125" WIDE Dia In=14 Max RPM=4,300 SEGMENTED RIM GENERAL PURPOSE WET & DRY CUTTING