NortonĀ® GeminiĀ® 61463624385 Mounted Point, Diameter: 7/8 Inch, Length: 2 Inch, Grit: 60, Abrasive Type: Aluminum Oxide, Bond Type: Vitrified, Max Speed: 19860 Rpm, Bore / Shank Diameter: 1/4 Inch, Shape/Form: A11, Mounting: Mandrel, Product / Materials Abraded: Metals