Milwaukee 3" X 150 Grit Powergrid Disc, 12-Pk features POWERGRID™ Tear Resistant Mesh that delivers enhanced durability and extended lifespan. These innovative mesh sanding discs last up to 12 times longer than traditional sandpaper due to their open weave design, which reduces clogging and material buildup for a consistently smooth finish. Equipped with sharp aluminum oxide grains, they provide faster material removal on wood, metal, and plastics. The nylon backing adds extra protection during heavy-duty use, while the convenient hook and loop system allows for quick grit changes. These discs are also reusable and easy to clean, making them a reliable choice for various sanding applications. Model Number: 48-80-6150