Walter Flexcut Mill scale premium performance flexible grinding wheels. These wheels are designed from the ground up to excel at mill scale removal. No more glazing or clogging, just hassle-free removal of mill scale, leaving a clean and even surface. Open diamond cut pattern prevents glazing and clogging for consistent results. Wider surface contact area for faster removal. Cool cutting and Fe-free to guarantee safe use on aluminum. Extremely effective for heavily rusted plates, aluminum or galvanized metal.