MK Diamond 158571 MK-225 12-Inch Hot Dog Premium Thin-Rim Blade 12 by .080 by 1-1/4 inch Continuous rim wet cutting blade Premium grade tile blade Premium grade thin-rim blades for porcelain and vitreous tile Stiffening/cooling slots have been designed to guarantee straight cutting in dense porcelain materials Cuts porcelain, vitreous tile, granite and ceramic tile Thin rim design and cooling slots keep blade running cool and true for precision cuts in very hard materials 7 millimeter rim height for long diamond blade life