YAMAHA trumpet mouthpiece. Bobby Shew signature model. A versatile mouthpiece that can be used for all-around performance. ■ Bobby Shew Model ■ Silver-plated finish ■ Rim inner diameter: 16.85mm ■ Throat diameter: 3.65mm Please check the photos carefully and make your purchase with the understanding of "no returns, no refunds, no exchanges". If the item is out of stock, the transaction will be cancelled. Thank you for your understanding. #trumpet #Yamaha #YAMAHA #Silky #Bach #XO #Jupiter #JUPITER #Marcato #BestBrass #bestbrass