Thomann EP 802S Bb-Euphonium, model "Superior", 4 perinet vlaves (3+1), dual bore 14,50mm- 16,80mm (0.572"- 0.661"), brass body, nickelsilver outerslides, big bell brass bell Ø 310mm (12.28"), silver plated, 3 waterkeys, incl. mouthpiece and case