6 Cut Off Wheels With Mandrel. This a new set of 6 cut off wheels with mandrel. Great for cutting, grinding, cleaning, etc. They can be used with a Dremel tool. Each measures approximately 1 5/16" (33 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.