- Bore: Ø 10.95 mm - Trigger on the third valve slide with push-button mechanism - Bernhard Zirnbauer valve mechanism with decompression bore at the third valve - One-piece valve slides - Without water key - Gold brass bell: Ø 160 mm - Sheet thickness: Ø 0.40 mm - Gold-plated - Handmade in Bolzano, South Tyrol EUR 4777.00 - See more - Buy online