Aftermarket Conn, King, Sousaphone, & Marching Tuba, Valve Spring, Set of 3or 4. Allied P/N A384, D16.7mm x L48mm
See my item ID# 16184 or 16967 for genuine Conn/King springs. Fits: many Conn & King sousaphones and tubas. Not for Conn 20K or 22K Sousaphones, see my item ID# 16128.
These springs worked well in the sousaphone I'm using. They provided an even pressure on my valves as the old springs were dissimilar lengths. And they look great!
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