Tuba Valve Guide Number 8 - Besson 900 (Valve 1-4) / 700 (4th Valve) Style

Suitable for all Besson Sovereign Tubas and for the 4th valve on a 700 series Tuba

Please note these guides are supplied at their fullest size, we have known it possible that they need a minor amount of adjusting to make them fit some Besson models.