Milwaukee 3" X 180 Grit Powergrid Disc, 12-Pk features POWERGRID™ Tear Resistant Mesh that enhances durability and extends the life of each disc. Designed with an open weave mesh, these sanding discs provide up to 12 times longer use d to standard sandpaper by minimizing clogging and material buildup. The sharp aluminum oxide grain allows for faster material removal on wood, metal, and plastics, delivering a smooth and finish. With a durable nylon backing for protection during tough applications and a convenient hook and loop design for quick grit changes, these reusable discs are also easy to clean for extended usability. Model Number: 48-80-6180