Cocobolo flute headjoint from a rare, well aged cocobolo stock of wood of the highest quality and density which will give you most unique, and brilliant sound and deeper control over the overtones. with my unique methods of undercutting of the embrasure will elevate your playing to another level. When ordering the flute head please indicate the size of your Flute Head Joint Tenone tenon - nickel. tube walls- thin. For 14k gold or silver tenon, please contact me customers from the USA - https://flutecenter.com/collections/ariel-louis-headjoints I fit the tenon to any flute size, please specify the desired size when purchasing.