CMT Tools 855.806.11, 1-57/64" x 1-3/4" 2-Piece Entry Door Router Bit Set

These bits allow you to create tongue-and-groove joints and produce entry and passage doors with minimal effort. The bit on the left, when used in pair with the bit 800.628.11, is great for producing long and beefy tenons, whereas the other tool makes the decorating profile.