Marcinkiewicz 7G Mouthpiece for Trombone KS, Mouthpiece, For tenor trombone, Small shank, Outer diameter: 38.96 mm, Inner diameter: 25.78 mm, Cup depth: 25.30 mm, Bore: 6.63 mm, Total length: 80.52 mm, Colour: Silver-plated, Comparable to Bach 3
