"C.G.Conn 52H Bb/F-Tenor Trombone, Tenor Trombone with Quart Valve, Artist Model, Traditional construction, Dual slide bore: .525/.547"" (13.34 / 13.89 mm), Bore through the F slide: .547"" (13.89 mm), Gold brass bell: 8-5/8"" (219 mm), Brass outer...
