MK Diamond 154973 MK-215 Supreme 4-1/2-Inch Wet Continuous Tile and Marble Blade 5/8-Inch Arbor 4-1/2 by .060 by 20 millimeter-5/8 inch Continuous rim wet cutting blade Fast cutting tile blades for smooth, chip-free cutting on tile and other stone materials Excellent on dense floor materials Diamond blade Cuts tile, marble, vitreous tile, slate limestone, granite, bluestone and hard quartz Supreme blade for chip free cutting 7 millimeter continuous rim for long blade cutting life