Outstanding lifespan when grinding metal! Robust aluminum oxide grains for long-lasting performance. Do you need a strong and durable grinding wheel for sharpening your tools or cleaning the surface of metal and cast iron? The combination of premium quality grinding grains and strong bonding material gives the PRO Metal the strength and endurance you need to get the job done. The PRO Metal grinding wheel is a durable accessory for metalworkers who need to grind metal and cast iron elements. The wheel is highly efficient for rough grinding and tool sharpening. The combination of high-quality aluminum oxide grinding grains and a strong resin bond ensures stability and durability.