6-1/2 ALCup: 25.40mmCup: 25.40mm Shape: Medium wide, well roundedBach K3416HAL Mega tone Large Shank Tenor Trombone Mouthpiece, Silver Plated, 6-1/2 AL Cup: 25.40mm, Rim Shape: Medium wide, well roundedBrand: Bach, Model: K3416HAL, Color: Silver
Bach K3416HAL Mega tone Large Shank Tenor Trombone Mouthpiece, Silver Plated, 6-1/2 AL Cup: 25.40mm, Rim Shape: Medium wide, well rounded Brand: Bach, Model: K3416HAL, Color: Silver