The 3M 02091 Trizact Hookit Blending Disc 443A is a set of 15 gray 3-inch discs with 1000 grit sandpaper designed for wet blending. The Hookit/Hook & Loop attachment type makes it easy to use and attach to various surfaces. This product is ideal for automotive detailing and sanding tasks, offering a high-quality finish with its P1000 grit sandpaper. The 3M brand ensures reliability and durability, making it a essential tool for any shop or automotive enthusiast.