A 4 valve non-compensating euphonium of traditional design, the EEP421S boasts excellent response qualities and superior workmanship. It is well-suited for large and small ensembles and is a wonderful addition to any school band program. Includes case and mouthpiece. • Key of Bb • 0.571 inch bore • 11 inch upright bell • Silver plated yellow brass • Rose brass leadpipe • 4 upright piston valves • Epoxy lacquer finish • Mouthpiece • Case with wheels