Top Quality Cup Shape Slitting Blade Diamond Grinding Wheel Product Description Diamond & CBN Grinding Wheel For Slitting Blade Diamond (JR) wheel - Deep red, used for grinding tungsten steel (carbide) blades. Cubic boron nitride (CBN) - green or black, used for grinding high-speed steel and other steel blades. Grinding wheel grinding thin slitting knife blade high finish, sharp and durable blade. Corrugated board edge neat, no burrs. The reprocessed diamond and CBN give it stronger adhesion and higher surface hardness. Product Features Sharp. Fast grinding and fast sharpening your tools. Long life. Much longer life than traditional abrasive wheels. Well balanced each…