Overall Diameter: 1-1/8"Overall Length: 2-1/16"Cutting Edge Length: 1/2"Shank: 1/4"Bearing Diameter: 3/8"Radius: 5/16"Used To Create Attractive, Decorative EdgingMicrograin Carbide Tips Provide Superior Wear Resistance And Long LifeCompact Ball-Bearing Pilot Guides Bit Along Edge Of Material