Amana 49519 Roundover Router Bit 5/8 Radius, 1/2 Shank Carbide Tipped Radius 5/8 Diameter 1-3/4 Cutting Length 7/8 Shank Diameter 1/2 Overall Length 2-3/4 2 Flute With Ball Bearing Guide Availability: Usually ships the next business day Amana 49519 Roundover Router Bit 5/8 Radius, 1/2 Shank amro58ra12sh