Feature●Freedom Adjustable Clarinet Barrel is ideal for both large and medium bore clarinets●Made from aluminum alloy, the Freedom barrel has an infinite adjustable range below 60mm - above 70mm●The mechanics of the Freedom barrel allows the mouthpiece to remain stationary during adjustment, allowing fine tuning corrections while playing●This American made barrel will give you the freedom to tune in any situation.●Freedom Clarinet Barrel by RS Berkeley Instruments is a great choice for any clarinet player!Description FACB-01 Features: -Clarinet barrel. -Made from aluminum alloy. -Freedom barrel has an infinite adjustable range below 60mm - above 70mm. -Mechanics of the freedom barrel allows the mouthpiece to remain stationary during adjustment, allowing fine tuning corrections while playing. Product Type: -Clarinet.