Secondary Middle Tone HBE-57
Production feature: lead-free soldering
Tone: Bb
Inner tube size: 12.8-13.5mm
Horn mouth size: 211.5mm
Tube material: High quality brass
Whistle tube material: high-quality red copper
Material and type of piston: Monel alloy, triple key type
Surface treatment: paint gold
Official website retail price: 4680
Product Description
Production feature: lead-free soldering
Tone: Bb
Inner tube size: 12.8-13.5mm
Horn mouth size: 211.5mm
Tube material: High quality brass
Whistle tube material: high-quality red copper
Material and type of piston: Monel alloy, triple key type
Surface treatment: paint gold
Official website retail price: 4680
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