115mm Diameter Segmented Diamond Disc for universal use General Purpose Premium Diamond Blade for fast and smooth cuts on Stone,  Marble, Granite, Brick and Masonry 15mm depth diamond segment -  taller segments give the blade a longer life Cooling holes keep the blade cool, extending the life of the blade Engraved details on the blade which won't wear off Bore: 22.23mm Speed: 13300rpm/80m/s