Hans Hoyer 801GA-L, F/B Double horn, Gold brass coated, Detachable bell, Conical rotary valves with 3B linkage system, Long tuning slide, Inner- and outer slides from nickel silver, Bell: Ø 310 mm, Bore: 11.80 mm, Adjustable finger hook, Coated with a high quality lacquer, Incl. Case, Made in Germany