POWERTEC Aluminum Oxide Sanding Discs hot, cost-effective, penetrative and single cutting for sanding jobs that require tear insusceptible material and durability. These business -- strength sanding accessories are of insurance premium aluminum oxide grain, and backed with the highest-quality pressure-sensitive coherent. A howling value, you will be with the results you achieve with these hardy, tested and trenchant sanding discs. We to guarantee that your sanding work is always peak grade and hassle released ! .