Feature:1. [2PCS IN 1 SET] Including 2pcs clarinet barrels with length of 58mm, which are good replacement parts for clarinet.2. [MAIN PURPOSE] The treble Bb clarinet barrel is used to improve the pitch focus and intonation, making the tone more excellent.3. [EXCELLENT MATERIAL] Made of excellent metal and engineering plastics, glossy surface without cracks and burrs.4. [EASY TO INSTALL] These clarinet tuning tubes are small and compact, easy to install and do not take up space.5. [REPLACEMENT PARTS] Can directly replace the old or broken clarinet barrel to ensure the good operation of the clarinet.Specification:Item Type: Clarinet Tuning TubeMaterial: Metal + Engineering PlasticColor: Black + SilverSize: Approx. 58mm / 2.3in.Package List:2 x Clarinet Barrel