S78-S79 Polygon Valve Springs

    These springs are available in diameters to fit basses and baritones and are sold in 9 ” ( 2 2 9mm) lengths, allowing you to custom cut valve springs for each individual horn. This gives your customer the personal touch. The unique shape gives an especially smooth action to the valves.
S78 Ferree Polygon spring for baritones/euphonium, 9” length, 45/64 O.D.
S79 Ferree Polygon spring for tuba/sousaphone, 9” length, 53/64 O.D.

Also Available:
S80-89 and S96 Ferree’s Valve Springs


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