Overall Diameter: 1/2"Overall Length: 4-3/8"Cutting Edge Length: 1-1/2"Shank: 1/2"Bearing Diameter: 1/2"Flush Trim Bits Are Used For Laminate Work Or For Template And Pattern WorkTriple Flute Design For Exceptional Smoothness And Finish QualityComes With Two Ball Bearings To Widen The Bearing Surface And Reduce Template WearMicrograin Carbide Tips Provide Superior Wear Resistance And Long Life