Speed-Lok TR (Type III) Blaze Discs are a high-quality product manufactured by Norton Abrasives. The 2-inch size and 80 grit make them perfect for a variety of sanding tasks. The package includes 25 discs, making it an excellent value for anyone who needs to do a lot of sanding. The Speed-Lok TR (Type III) design ensures that the discs stay in place during use, providing a secure and comfortable grip.