Marcinkiewicz ET7 Mouthpiece for Trombone KS
Marcinkiewicz ET7 Mouthpiece for Trombone KS, Mouthpiece for trombone, Jiggs Wigham signature model, Small shaft, Outside Diameter: 39.65 mm, Inner diameter: 24.92 mm, Cup depth: 19.33 mm, Bore: 5.79 mm, Overall length: 79.76 mm, Silver-plated, Comparable to Bach 18