3" Cotton Buffing Wheel Great For Polishing Jewelry. This is a new cotton buffing wheel. It has 3 rows of stitching. Can be used for all your polishing needs. It measures approximately 3" (76.2 mm) in diameter with a 1/2" (13 mm) hole. 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.