Milwaukee 3" X 220 Grit Powergrid Disc, 12-Pk features POWERGRID™ Tear Resistant Mesh that provides enhanced durability and longer life d to standard sandpaper. These innovative mesh sanding discs deliver up to 12 times the lifespan by minimizing clogging and material buildup with their open weave design, ensuring a smooth and finish every time. Equipped with sharp aluminum oxide grain, they enable faster material removal on wood, metal, and plastics. The durable nylon backing protection during tough applications, while the convenient hook and loop system allows for quick grit changes. These reusable discs are also easy to clean, extending their usability and making them a reliable choice for various sanding tasks. Model Number: 48-80-6220