Norton Hook & Sand Discs 5 in. x 5 Hole x 100-Grit, 25-Pack is designed for efficient light stock removal and smoothing of bare surfaces. These medium 100 grit sanding discs feature premium grade aluminum oxide abrasives that are resin bonded to a high-performance paper backing, ensuring durability and consistent performance. The discs are surface treated to resist clogging, which helps maintain their effectiveness over time without transferring color or contaminating the surfaces being worked on. I for a variety of sanding applications, these Norton gold sanding discs provide reliable results for both professionals and DIY enthusiasts. Model Number: