This is a selection purchased in September 2025 at a musical instrument store in Tokyo. It has been used for only a few hours after purchase. Vandoren clarinet mouthpiece, BD4 model, for Sib-B♭ clarinet. - Model: BD4 - Brand: Vandoren - Type: Clarinet Mouthpiece - Compatible Instrument: Sib-B♭ Clarinet - Product Code: CM1004 Thank you for looking.