Conn, Trumpet & Flugelhorn, SP07113 Valve Spring, Set of 3.
Tapered, D10mm x L40mm
Fits:
1BSP Conn Bb Trumpet Professional
1B50CSP Conn C Trumpet Professional
1FR Conn Flugelhorn Professional
1FRSP Conn Flugelhorn Professional
1B50C Conn C Trumpet Professional
1B - Lacquer Conn Bb Trumpet Professional