Cut Off Wheels With Mandrel. This a new cut off wheel with mandrel. Great for cutting, grinding, cleaning, etc. Measures approximately 4" (101.6 mm) in diameter. The mandrel has a 1/4" (6.5 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.