ITEM NAME:1-1/2"Cutting Length, 1/2"Cutting Depth 8mm Shank Beaded Handrail Router Bit Description: CNC Engraving Wood Working Double flute car.Shank Size: 8mm. Cutting Depth: 1/2". Cutting Length: 1-1/2". Overall Length: 3-5/16". Bearing Height: 3/16". Number Of Flutes: 2.