1/2" Sanding Flap Wheel For Woodworking & Jewelry Repair. This is a new sanding flap wheel. Can be used for woodworking, jewelry repair, etc. It measures approximately 1/2" x 1/2" (13 x 13 mm) and has a 3/32" 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.