Mirka Abranet Hook'N'Loop HookIt Sanding Strips are designed for dust-free sanding. These revolutionary patented sanding materials feature thousands of small holes for effective dust extraction, preventing clogging and ensuring a uniform sanding pattern and smooth surface. This minimizes airborne dust, leading to a significantly improved work environment. Abranet is suitable for sanding filler, primers, lacquers, composite materials, and many other surfaces. The durable and long-lasting strips are available in various grits. This pack contains 50 strips of 320 Grit. Used for sanding putty/primers/lacquers/composite materials.