B ♭ / Convertible model. The valve system is 3 pistons. Bell has yellow brass diameter 366 mm, bore size 16.8 mm, silver plated finish. With 2 blowing pipes.
Xeno Series B ♭ / F pipe. The bell has a yellow brass one piece diameter 220 mm, the outer slide tube is yellow brass, the inner slide tube is western white, the bore size is thick tube 13.89 mm, clear lacquer finish.
German clarinet B ♭ pipe. Tubular body is Granadilla, Key is white-forged silver plating, Core metal · Screws are stainless steel, Needle spring · Leaf spring is stainless steel, 27 key 5 ring · Ehler model.