Adjustable brass parts for French horn. - Brand: Nachtmusik - Model Name: Re:VIBRATION Re:VIBRATION/YELLOW BRASS/for Horn HAMMERED Originally unlacquered. - Application: French horn - Adjustment: Adjustable with rings and bridges - Material: Brass - Condition: Used - New purchase reference price: 12,800 yen Thank you for viewing. The following is a quote from the product site. Please see the URL at the end for details. "The double effect of the ring and bridge provides an amazing acoustic improvement. Experience a change as if you have acquired a higher-grade instrument. The metal is processed by hand, one by one, in the same process as handmade instruments. This is a gem loved by professionals both in Japan and abroad." https://nachtmusik.theshop.jp/