Message Required Please be sure to include a message. This is a head cork for a flute. It is natural cork. 100 pieces for sale. New, unused. This is from the person who made genuine Yamaha flute head corks. Made with natural cork from Portugal. H: 33mm, Diameter 18.5mm, Inner Diameter 4.0mm The only person in Japan who processed and manufactured corks for musical instruments has passed away. This is from the items they handled. We are selling these now according to the deceased's will to supply them at a fair value. Sales will end when stock runs out. The only workshop in Japan is gone, so some items will disappear completely from the market in the future. Commercially available beautiful corks are bleached or have holes filled with powder, but natural corks have stains and holes as they are naturally, so please understand. Sales proceeds will be used for the activities of protecting cats. Regarding the sale of corks, unfortunately, many people ignore messages after receiving them, which is a nuisance. Therefore, sales will only be made to those who will definitely exchange messages, so please understand. If messages are repeatedly ignored, we will consider it as an agreement to cancel and will apply for cancellation. Instrument adjustment, maintenance, musical instrument workshop, wind instrument repair workshop, cork replacement, overhaul