[Features] · A special grindstone that uses ceramic fiber as a cutting edge. A product lineup with abundant variety of sizes and particle sizes. · Attach to the dedicated holder. · By blending diamond abrasive grains, it achieves higher grinding capacity compared to conventional fiber stones and is capable of cutting difficult-to-cut materials with high hardness. [Applications] · Compatible Materials: Tool Steel, Alloy Steel, General Steel, Stainless Steel, Aluminum, Copper