Amana Tool 55400 Tongue & Groove 1 Bit Set

2 Piece SetCut perfectly fitted tongue-and-groove joints on stock between 1/2" and 3/4" thick with a table-mounted router and this assembly. The tool consists of an arbor with an integral shank two identical removable slotting cutters and a pair of bearings. To cut tongues sandwich one bearing between the two cutters. To cut slots mount one cutter between the two bearings.