KB
Good improvement for the stock cork
I replaced the stock cork of my Thomann FH 600 G Bb-Flugelhorn with these ones. They're a tiny bit big (better than too small), but they do the job better than the stock cork and seal well.
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H
Good quality water key corks
These corks are mushroom shaped which helps as the waterkeys on my cornet are mounted slighty out of alignment with the water drain holes. Them seem firm and well made.
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