These superabrasive diamond and carbide flap discs are made with a new technology. It combines diamond and CBN, and some other resin bond materials with each other and then electroplates them.
They can work wet or dry and the high level of diamond is efficient for good surface finshing, longer working time, liess dust and noise when working.
They are good for glass, ceramic, stone (marble, onyx and granite) and even stainless steel