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
AMS-127 5-Pc Starter Engraving Router Bit Collection, 1/4 Inch Shank
1/4" 0-Flute CNC Router Bit For Acrylic, 1/4" Shank – IDC Woodcraft