Kreg - Flush Trim Router Bit - 1/4" SH x 1/2" D x 1-1/8" CL
Dremel 1/4 in. Rotary Tool Straight Router Bit for Wood and Soft Materials 654 - The Home Depot
4Pcs Pattern Flush Trim Router Bit Set 1/4 inch Shank Template Router Bits 1/2 inch Cutting Dia Woodworking Router Tool by CHoiKWong (1/2 inch Cutting Diameter, yellow) - Amazon.com
Freud Top and Bottom Bearing Flush Trim Router Bits | Rockler Woodworking and Hardware
Carbide V-Groove Router Bits | amastone®
OFFSET TONGUE & GROOVE ROUTER BIT SET – Woodline USA