Norton® Charger™ 61463616476 Mounted Point, Diameter: 1 Inch, Length: 2 Inch, Grit: 30, Abrasive Type: Zirconia Alumina/Aluminum Oxide, Bond Type: Organic Resin, Max Speed: 15900 Rpm, Bore / Shank Diameter: 1/4 Inch, Shape/Form: W222, Mounting: Mandrel, Product / Materials Abraded: Metals