Trombone Mouthpiece - Small Bore YAMAHA 48 BS 5.6 Small Bore to Large Bore Adapter Case The Yamaha mouthpiece has noticeable scratches and peeling plating. It will be packed in a cushioned case and sent via simple packaging, post mini. To prevent swapping, no returns are accepted, so please check the images before purchasing. *If you have any other concerns, please be sure to comment before purchasing. *Please only purchase if you understand that this is a used item.