2608602479 Bosch diamond cutting disc "Best Ceramic Turbo EC" 125 x 22.23 (Tools & Accessories)
used for dry cutting 1200x600 polished tiles, it gave a clean cut, straight and honest, dull, over 10m straight cut. Mounted on a good grinder is a great tool (Ps: the grinder was equipped with a craft for use as a portable circular saw).