The MK-TLX General Purpose Diamond Blade features a slanted keyhole designed gullet that provides easy slurry removal and air circulation for heat dissipation. The tall segment height provides long cutting life; 9" and smaller diameter blades have a 13mm segment height and the 10" and larger diameter blades are 15mm. They are engineered to provide optimum cutting performance under most conditions while maintaining an extra long service life. They cut concrete, brick, pavers, sandstone, stucco, roof tile and block.