The Indasa 5" Rhynostick Redline PSA Solid Sanding Discs (500 Series) are built for high-performance sanding applications across automotive refinishing, woodworking, industrial prep, and marine coatings. 🛠 Rapid Stock Removal & Clean Scratch Pattern – The premium Aluminum Oxide abrasive grains ensure fast cutting power with uniform scratch distribution, making it ideal for shaping fillers, sanding topcoats, and smoothing primers. 🧲 Secure PSA Sticky Backing – Featuring pressure-sensitive adhesive (PSA) backing, these discs stick firmly to flat vinyl face backup pads and remove effortlessly with the Easy Peel Tab System. 🛡 Clog-Free for Extended Lifespan – A special lubricant coating prevents dust buildup, reducing clogging and extending the working life of each disc. 🔄 Durable & Flexible for Versatile Use – The C/D weight backing paper adapts to contours and curved surfaces, providing precise, smooth finishes with minimal tear resistance. 📦 Bulk Pack Options for Every Project – Sold as 50 discs per box for 40 grit, and 100 discs per box for 60 to 800 grits, making it cost-effective for DIYers, professionals, and industrial workshops. 📌 Perfect for Various Surfaces – Ideal for sanding old paint, preparing fillers, smoothing primers, working on solid surfaces, and shaping fiberglass, gelcoat, and wooden floors. Whether you're restoring a car, preparing a marine surface, or working on furniture refinishing, Indasa Redline PSA Sanding Discs deliver precision, efficiency, and superior performance.