3M Imperial Wetordry 3-2/3 in. x 9 in. 1500 Grit Sandpaper ((10-Pack) (Case of 18))3M 1500 Grit Wetordry Sandpaper Achieve a flawless finish on lacquers, primers, and more with 3M Imperial Wetordry Sandpaper. The 1500 grit silicon carbide abrasive works perfectly for fine sanding, whether you're working wet or dry, ensuring a consistent, smooth finish every time. Key Features: Material: Made with silicon carbide, offering a fast and smooth cutting experience. Waterproof: Designed for use with water or cutting oil to prevent clogging