12 New Sandpaper Sheets. This is a new set of 12 sandpaper sheets. These can be used in many aspects of jewelry making and repair. These are 4/0 grit. Each sheet measures approximately 11" x 8 13/16" (279 x 224 mm). We work hard to update our descriptions and pictures of our merchandise. As part of a process of ongoing innovation by our suppliers, newer versions of the item shown may be shipped before we are able to complete an update. As a result there may be a slight variation in color and design.