Sait® 27405 Mounted Point, Diameter: 7/8 Inch, Length: 2 Inch, Grade: Q, Grit: 36, Abrasive Type: Aluminum Oxide, Bond Type: Resin, Max Speed: 19860 Rpm, Bore / Shank Diameter: 1/4 Inch, Shape/Form: A11, Mounting: Arbor, Product / Materials Abraded: Ferrous Metals