Denis Wick 5BS Heritage Trombone Mouthpiece

The innovation behind the Heritage series for trombone lies in the combination of increased mass at key points that reduce energy loss with thinner upper walls that provide power and sensitivity at all dynamic levels. The result is maximum sensitivity and response with clearer overtones and improved range.Same as the 5BL but with a small shank. -Cup Diameter: 25.75mm. -Rim width: 6.64mm. -Throat: 6.87mm. -Backbore: Medium. Small shank. Gold plated rim and inner cup.