Gold Platted, Bb pitch, 5-8 inch (bell diameter), 11.5mm boe size, 3 keys, 19 inchs length,  with complete body parts, Accessories & Case. Improved long lasting polished highest quality ainless valves.Double size valve guide and numbered valves for easy positioning. Wide-thread valve caps for problem free placement. Tuning slides with engineered tolerances and two finger ring hooks, including adjustment third slide ring. Water Keys also available.Highest quality silver plated 7C mouthpiece