Amana 49506 Roundover Router Bit 1/4 Radius, 1/2 Shank Carbide Tipped Radius 1/4 Diameter 1 Cutting Length 1/2 Shank Diameter 1/2 Overall Length 2-7/16 2 Flute With Ball Bearing Guide Availability: Usually ships the next business day Amana 49506 Roundover Router Bit 1/4 Radius, 1/2 Shank amrorobit498