The POWERTEC 15518 is a grinding wheel disc specifically designed to work with most 6-inch bench grinder machines. This cost-effective tool provides clean, potent edges and surfaces, and is ideal for tool grinding, smoothing blades and metal working. These wheels are virtually chemical resistant and not affected by water, oils, or acids. In addition, they possess a low impact resistance and high wear rate. This abrasive wheel is fast, impressively sharp, and burr-free making it perfect for: Grinding, Sharpening, Stock Removal, Blending, Rust Removal and Finishing. We've paired the aluminum oxide abrasive with a fine 80 grit, allowing this grinding wheel to produce heavy cuts and offer rapid stock removal.