2 Hard Leather Buffing Points. This a new set of 2 hard leather buffing points. These can be used to remove deep scratches in jewelry or for sharpening knife blades. They can be used with a Dremel tool. Each measures approximately 3/8" (10 mm) in diameter. The mandrel has a 1/8" (3 mm) shank. 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.