B-LINEĀ® A3BG Mounted Point, Diameter: 1 Inch, Length: 2-3/4 Inch, Grade: P, Grit: 46, Abrasive Type: Premium Oxide, Bond Type: Vitrified, Max Speed: 16100 Rpm, Bore / Shank Diameter: 1/4 Inch, Shape/Form: A3, Mounting: Arbor, Product / Materials Abraded: Metals