This is a Tosca Green Line barrel (A650), the top-of-the-line model from Buffet Crampon. It is included with the A clarinet, but can also be used without issue on the B♭ clarinet. You can get a powerful and rich sound just by replacing the barrel on a Tosca, or even on other Buffet Crampon models. It's a very well-balanced piece. How about it if you are looking for a beautiful barrel with the old logo? Please note that shipping will not be available from January 1st to 3rd.