Whiteside Router Bits 1955 Multi Rabbet Set Carbide Tipped 1-3/8-Inch Large Diameter and 1/2-Inch Cutting Length Large Diameter: 1 3/8", Cut Length: 1/2", Shank Diameter: 1/2". Set is organized in a 4'x4'x3' box. Hex wrench is included. Can cut the following size rabbets using the bearings included:Flush Trim, 1/8", 3/16", 1/4", 5/16", 3/8", 7/16", 1/2" 1/2" x 1/2" is the maximum rabbet size.