- For a typical symphonic sound even when using a piston valve trumpet - Complete mouthpiece - Rim shape: 66-1 - Outer diameter: 27.60 mm - Cup diameter: 16.80 mm - Bore: 3.66 mm - Shank: 25 - Large inside width for wind instrument players with a good embouchure - Silver-plated EUR 127.00 - See more - Buy online