- E3B - The cup shape of model 3 can be used in the orchestra, for wind band music as well as for soloist use due to its sinus contour - Complete mouthpiece - Cup diameter: 31.00 mm - Cup depth: deep - Bore: Ø 8.5 mm - The width of 31 mm offers effortless playing in all registers, beautiful sound and great carrying capacity - Silver plated EUR 143.00 - See more - Buy online