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.