Yamaha Tuba Mouthpiece 67C4
Yamaha Tuba 67C4 Mouthpiece, Mouthpiece for Tuba, Standard Series Nr 67C4, Inner diameter 32.06 mm, Rim contour: Semi round, Rim thickness: Semi thick, Cup depth: Standard, Bore: 8.10 mm, Backbore: Standard, Finish: Silver-plated