• Lots of options in every category. High quality construction and modern designs. Superior quality performance and reliability. Competitive prices and value for moneyFeatures. P-graded aluminum oxide is tough and offers a very consistent scratch pattern for a high-quality finish. Open-coat construction for more flexibility and clog resistance than a closed-coat disc. Paper backing for flexibility, and can be used wet or dry. Hook and loop fastener for ease of use and quick disc changes