6mm Shank - Tongue & Groove Joint Assembly Router BitComplete your hardwood tool collection with the Valiant tongue and groove router bit set. Use these tongue and router bit tools to enhance your hardwood working performances and create beautifully handmade furniture on your own. Matched Tongue and Groove Assembly with 3 Flutes to generate more balance cut Great for kitchen and bathroom doors, office cabinets, flooring tables, bedroom shelves, outdoor frames, walls and more. Boasting high quality