It's the finest oil in the La Tromba range for brass instruments, specially designed for use with Monel or steel pistons.
It's the finest oil in the La Tromba range for brass instruments, specially designed for use with Monel or steel pistons.
It's the finest oil in the La Tromba range for brass instruments, specially designed for use with Monel or steel pistons.
It's the finest oil in the La Tromba range for brass instruments, specially designed for use with Monel or steel pistons.