Warburton Tenor trombone Top 10ST
Warburton Tenor trombone Top 10ST, Top for tenor trombone, Inner diameter: 25.40 mm, Comparable to Bach 6-1/2, Schilke 50 or Denis Wick 5, This cup should be used with ST backbore, The ""Symphony"" cup does what it promises: the big cup produces the ultimate sound, Silver-plated