The Mirka 2332160 is a box of 50 5-Hole PSA 60 Grit Gold Paper Discs. The Mirka 2332160 sanding discs have a special sharp, durable aluminum oxide grain that gives a fast and exceptionally long lasting cut. A high performance sandpaper is created by durable aluminum oxide, combined with urea resin over glue bonds and an open coat. Features: * Durable aluminum oxide grain that gives a fast and exceptionally long lasting cut. * Aluminum Oxide creating a high performance versitile sandpaper * Resin over glue bonds and an open coat. What"s In the Box: * Mirka 2332160 5-inch 5-Hole PSA 60-Grit Gold Paper Disc 50-Pack