Yamaha Tuba Mouthpiece SERGIO CAROLINO Model Scratches: There are signs of use, such as polishing scratches and scratches from inserting into the instrument. Plating: There are no areas where the plating is剥がれ (peeling). Dents: There are no dents. Although there is some wear and tear, I believe it does not affect playing. ・Rim Inner Diameter: 32.44mm ・Throat Diameter: 7.5mm ・Silver-plated finish ・Rim Contour: Slightly flat ・Rim Thickness: Standard ・Cup Depth: Slightly shallow ・Backbore: Standard #Tuba #Mouthpiece #SergioCarolino #Yamaha #UsedMouthpiece