Okinawa Prefecture Product: Ryukyu Yokobue (Ryuteki) Made of Bamboo (Ryuteki that can be tuned to A to A#) - For Advanced Players - Handmade - New and Unused This Ryukyu Yokobue can be tuned from A# to A depending on how you play it (for advanced players). You can play in either the A or A# key. Due to the natural bamboo, the color and appearance may vary slightly from piece to piece. Made in Okinawa Prefecture - Handmade - *Tuned by a Ryuteki master, so you can be assured of its quality.* *Ryukyu Yokobue Text Service*