Rubi 300mm Segmented Porcelain Diamond Blade SPT (32935)The SPT PREMIUM range of diamond blades has been designed for cutting porcelain stoneware tiles with thicknesses of 20 mm. Being a segmented disc with a narrow notch and wet cut, RUBI SPT PREMIUM discs can work with thicknesses of up to 35 mm and materials as varied as natural stone or sintered stone. Unlike other discs, RUBI's SPT PREMIUM, present a special alloy that, together with the aforementioned narrow notch design, ensures an extra long life,