3M 5-Pack 60 Grit Mouse Detail Sanding Sheets are ultra durable and can be used to sand paint, wood, or metal. They are hookit backed and have a ceramic grit. The sheets are 3.9 inches long and 5.6 inches wide. Maintain your high standards with premium power tool abrasives that help you get into every corner and hard-to-reach area. Featuring 3M Ceramic Precision Shaped Grain Technology that cuts fast and lasts long. Because your reputation is built on details.