Marcinkiewicz ET3 Mouthpiece for Trombone KS
Marcinkiewicz ET3 Mouthpiece for Trombone KS, Mouthpiece for Trombone, Signature model Charlie Loper, Small shank, Outer diameter: 38.46 mm, Inner diameter 25.10 mm, Cup depth: 21.74 mm, Bore: 5.94 mm, Total length 79.76 mm, Silver-plated, Comparable to Mt.Vernon Bach 11C