Dremel  Aluminum Oxide  Abrasive Wheel  1 *Size: 1 *Length: 1 in. *Material: Aluminum Oxide *Product Type: Abrasive Wheel *Shank Diameter: 1/8 in. *Number in Package: 1 pk *Packaging Type: Carded *Application: Sanding *Use on metals, castings, welded joints, rivets and rust