3rd Trigger Spring UK latest model cornet - Besson & Boosey & Hawkes

This Trigger Spring can be used on newer UK built models of the Besson and Boosey and Hawkes Sovereign Cornets. Placed in position and hooked under high tension, this spring will allow the trigger to snap the 3rd slide back into closed position after extension.

• Trigger spring for 3rd tuning slide
• Compatible with UK Besson and Boosey
• Double coiled hinge tubing loops
• Hooked legs
• Dull silver finish