MLCS TripleWing (TM) Rabbeting Bit 3/8" Depth of Cut Extra Cutting Blade Saves Time and Improves Bit Life Produces 50% more cuts per inch, for a smoother, cleaner result. Stays sharp and lasts 50% longer than standard 2 flute router bits. 1/2" Shank THREE-Wing Carbide-Tipped Router Bit FREE SHIPPING in the Contiguous USA.