Marcinkiewicz 9 Mouthpiece for Trombone KS, Mouthpiece for Tenor Trombone, Small shank, Outer diameter: 39.24 mm, Inner diameter: 26.06 mm, Cup depth: 24.79 mm, Bore: 6.35 mm, Total length: 80.52 mm, Silver plated, Comparable to Bach 6-1/2AL
Thomann Italia