SET OF 4 BESSON SOVEREIGN/PRESTIGE EUPHONIUM VALVE GUIDES. THE SET CONSISTS OF 3 VALVE GUIDES FOR THE 1ST, 2ND AND 3RD VALVES (IMPRESSED WITH THE NUMBER 6 IN THE CIRCLE) AND A LARGER VALVE GUIDE (IMPRESSED WITH THE NUMBER 7 IN THE CIRCLE) FOR THE 4TH VALVE.
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