Overall Diameter: 7/8"Overall Length: 2-1/2"Cutting Edge Length: 9/16"Shank: 1/2"Bearing Diameter: 1/2"Radius: 1/8"Adds Attractive Edging On New Pieces And Matching Many Older Molding Cuts For Remodeling WorkMicrograin Carbide Tips Provide Superior Wear Resistance And Long LifeCompact Ball-Bearing Pilot Guides Bit Along Edge Of Material