Yakamoz 1/4 Inch Shank 3-Wing Adjustable Slot Cutter Router Bit Set with Bearings | 6-Picecs Slotting Cutting Blades, 1/2 Inch Cutting Depth, 6 Different Cutting Widths - Amazon.com
Yonico Slot Cutter 1/4 in. Shank Carbide Tipped Router Bit Set (4-Piece) 14481q - The Home Depot