"Edwards T-350-HB Tenor Trombone, Bb/F Tenor Trombone, Toby Often model, 8 1/2"" OFT bell made of gold brass, Interchangeable lintels, Bore: 13.89 mm, Axial valve, Edge brace, Harmonic bridge, OFT gold brass main tuning slide, TBCN slide incl. three...