Whiteside 470 Undersize Plywood Dado Router Bit Set 3-piece
Straight/Dado Router Bit for Wood (4pcs) - M3Tools
Dado & Planer Router Bits
CNC Spoilboard Surfacing Router Bits, 1/4 inch Shank 1 inch Cutting Diameter, Slab Flattening Router Bit Planing Bit Wood Planing Bit Dado Planer Bit by BINSTAK (Carbide) - - Amazon.com