![Amazon.com: Alto Saxophone Neck Sax Gooseneck Mouthpipe for Yamaha YAS-100 YAS-23 YAS-25 : Musical Instruments Amazon.com: Alto Saxophone Neck Sax Gooseneck Mouthpipe for Yamaha YAS-100 YAS-23 YAS-25 : Musical Instruments](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/81ik0+yc05L._AC_UF894,1000_QL80_.jpg)
Amazon.com: Alto Saxophone Neck Sax Gooseneck Mouthpipe for Yamaha YAS-100 YAS-23 YAS-25 : Musical Instruments
A Yamaha YAS-25 alto saxophone, serial number 015255, in original fitted hard case with reeds, strap
![Hi! Im learning saxophone and on all the videos i see. No one has this key. What is it for? Yamaha YAS-25 : r/saxophone Hi! Im learning saxophone and on all the videos i see. No one has this key. What is it for? Yamaha YAS-25 : r/saxophone](https://preview.redd.it/hi-im-learning-saxophone-and-on-all-the-videos-i-see-no-one-v0-hp9vjjxw7kp91.jpg?auto=webp&s=afea2b0e90cdb1598b83e43cf71c97ef013c9b66)
Hi! Im learning saxophone and on all the videos i see. No one has this key. What is it for? Yamaha YAS-25 : r/saxophone
![Sax Alto Yamaha Yas 25 Made In Japan seminovo - Instrumentos musicais - Atuba, Colombo 1032433597 | OLX Sax Alto Yamaha Yas 25 Made In Japan seminovo - Instrumentos musicais - Atuba, Colombo 1032433597 | OLX](https://img.olx.com.br/images/91/913310137749925.jpg)