10 Cut Off Wheels With Mandrel. This a new set of 10 cut off wheels with mandrel. Great for cutting, grinding, cleaning, etc. They can be used with a Dremel tool. Each measures approximately 15/16 (24 mm) in diameter. The mandrel has a 1/8 (3 mm) shank. FindingKing works hard to update our descriptions and pictures of our merchandise. As ...