- Complete mouthpiece - Rim shape: E4 (copy of the Yamaha 15E4) - External diameter: 27.63 mm - Cup diameter: 16.63 mm - Cup depth: Deep - Bore: 4 mm - Shank: W1, replica of an old Viennese shaft, similar to that of a trombone, produces a sonorous sound - Shank size: Very wide EUR 113.00 - See more - Buy online