Genuine Bach, Conn, King, Euphonium, Marching Tuba, & Tuba, Valve Spring, Set of 3 or 4. Conn P/N EU03058, D16mm x L48mm.
3 valve fits:
15J Conn Tuba post (after 1987)
B1103SP Bach Euphonium
B1103 Bach Euphonium
628 King Euphonium
628SP King Euphonium
1140 King Tuba
1140M King Marching Tuba
1140MW King Marching Tuba
4 valve fits:
19I Conn Euphonium
19ISP Conn Euphonium
2280 King Euphonium
2280SP King Euphonium
B1110S Bach Euphonium
B1110 Bach Euphonium