- For trumpet - Rim contour: Medium round - Outer diameter: 26.97 mm - Inner diameter: 16.31 mm - Cup depth: 11.00 mm - Bore: 3.66 mm - Total length: 87.63 mm - Finish: Silver-plated - Similar to the Bach 7E or Schilke 13A4a EUR 117.00 - See more - Buy online