Designed for versatility and efficiency, the 4-1/2" QUICK-STEP BLENDEX™ abrasive discs from Walter Surface Technologies are ideal for working with a variety of materials including cast iron, mild steel, and tool steel. These extra coarse discs feature a non-woven construction that allows them to conform to the contours of the workpiece, ensuring a consistent brushed finish across metal surfaces. Manufactured in Italy, each disc is packaged for convenience, with a total of ten per package, making them a practical choice for both professional and DIY applications. Whether you are polishing or preparing surfaces, these abrasive discs provide the durability and performance needed to achieve excellent results.