Key   Bb Bell Material   One piece, Yellow brass Bell Diameter   123mm (4-7/8") Bore Size   ML 11.65mm (0.459") Weight   Heavy Finish   Silver-plated Mouthpiece   TR-17B4 Case   Included
Key   Bb Bell Material   One piece, Yellow brass Bell Diameter   123mm (4-7/8") Bore Size   ML 11.65mm (0.459") Weight   Heavy Finish   Silver-plated Mouthpiece   TR-17B4 Case   Included