Overall Diameter: 1-1/2"Overall Length: 2-1/4"Cutting Edge Length: 11/16"Shank: 1/4"Bearing Diameter: 3/8"Radius: 1/2"Used To Create Attractive, Decorative EdgingMicrograin Carbide Tips Provide Superior Wear Resistance And Long LifeCompact Ball-Bearing Pilot Guides Bit Along Edge Of Material