OEM Bach BTR Series Bb Student Trumpets, BTR201, BTR211, BTR301, & BTR311, replacement finger buttons and stems. Not for Stradivarius. Sold individually.
Finger button - nickel, P/N BTR30125PK3; finger button - silver-plate, P/N BTR30125RSPK3. Valve stem - nickel; valve stem - silver-plate.
