Whiteside 3/8" Diameter Ball Nose Solid Carbide Spiral Router Bit
3/8" x 1" x 3/8" Carbide Spiral Mortising Router Bits | Rockler Woodworking and Hardware
Whiteside Router Bits 1980 Round Over Bit with Small Pilot 1/8-Inch Radius 3 /8-Inch Large Diameter and 7/16-Inch Cutting Length - Trim Router Bits - Amazon.com
Amana 51378 Spiral O-Single Flute, Aluminum Cutting 3/8 D x 1 CH x 3/8 Shank x 3" Up-Cut Router Bit w/ Mirror Finish | FastoolNow.com