RS Berkeley / FREEDOM BARREL Adjustable Tuning Barrel for Clarinet This is an adjustable barrel for clarinets. By rotating the barrel, the length of the barrel changes, making tuning easy. Retail price: 19,800 yen I am selling this because I am using something else. I was using it with a Selmer Artys. The following is a quote from another site: ■Tuning is easy! Just rotate the tuning ring left and right. There is no need to move the joint with the instrument body or mouthpiece. ■The rotary system allows for fine-tuning adjustments. Rotating the tuning ring once extends or retracts the barrel by 1 millimeter. ■The high-precision internal structure of the aluminum alloy body efficiently transmits the reed's vibrations to the instrument body. ■Compatible sizes: Medium bore, Large bore ■Tuning range: 60mm to 70mm ※Although it is said to be compatible with Yamaha and Buffet Crampon, it may not be compatible depending on the year and model.