Marcinkiewicz E9 Manny Klein Mouthpiece
Marcinkiewicz E9 Manny Klein, Mouthpiece for Trumpet, Manny Klein Signature model, Outer diameter: 27.23 mm, Inner diameter: 17.32 mm, Cup depth: 10.06 mm, Bore: 3.66 mm, Total length 87.63 mm, Rim contour: Medium round, Silver-plated, Comparable to Schilke 14A4a