2Pcs 1/4'' + 1/2'' Straight Diamond Brazed Profile Wheel Router Bit Set for Marble Granite Stone Hells Tile Edge Profiling Cutting 6.35mm + 12.7mm Shank (1Pcs 1/4'' Shank +1Pcs 1/2'' Shank) - - Amazon.com
Amana Tool 51408-Z CNC SC Spiral O Single Flute, Aluminum Cutting 3/16 D x 1/2 CH x 1/4 SHK x 2 Inch Long Up-Cut ZrN Coated Router Bit with Mirror Finish
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