This pack of 3M Cubitron II Hookit Clean Sanding Abrasive Discs is a must-have for any automotive shop or DIY enthusiast. With 50 pieces in each pack, you'll have plenty to get the job done. These dry sanding discs are designed for use on a variety of surfaces, including metal, plastic, and fiberglass. The 320+ grit provides a fine finish, and the Hookit backing system makes it easy to change out discs quickly and efficiently. The purple color of the discs makes them easy to identify in your tool kit. Trust in the quality of 3M and enjoy a clean sanding experience with these abrasive discs. Shipped from here in the USA