Ceramic Fibre Stones are manufactured using special fiber filaments. Widely used for removing EDM grains and machining marks, thanks to its flexibility, Ceramic Fiber Stones are ideal choice for polishing deep and narrow rib, slots, grooves and engravings which are difficult to polish using conventional abrasive stones. When used with Ultrasonic polishing machines and air lapper, our stones help in very fast stock removal. For manual applications, special stone holders are available. Use PLASSTEZE Stoning Oil to enhance performance. Ceramic Fiber Stones cuts only through its tip and is normally held at 5~45 degrees to the surface to be polished. These stones can be dressed to any desired shape on our Diamond Dressing Blocks available separately.