Overall Diameter: 1/2"Overall Length: 4-1/4"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 WorkProvides Smooth Cuts For Laminate Trimming, Cutouts And Pattern CuttingProvided With Two Ball Bearings To Widen The Bearing Surface And Reduce Template WearDouble Flute Design Allows For A Smoother FinishMicrograin Carbide Tips Provide Superior Wear Resistance And Long LifeShielded, Compact Ball-Bearing Pilot Guides Bit Along Edge Of Material