NEW Denis Wick ‘5BS’ Trombone mouthpiece in silver plate (small shank).
Cup Diameter: 25.73mm
Rim Width: 6.64mm
Bore Size: 6.87mm
Back Bore: Medium
Medium bore trombone. Gives medium bore trombones the quality of large bore.
Similar to the 5BL, but made to fit small bore trombones. Big, generous tone quality, great flexibility, giving almost a large-bore sound.