Denis Wick 5880-1AL Trombone Mouthpiece

Denis Wick 5880-1AL Trombone Mouthpiece
Description:
Diameter: 39.30 mm
Cup Diameter: 27.11 mm
Rim Width: 6.09 mm
Bore Size: 7.45 mm
Back Bore: Open
Superb low register; dark rich tone, but good upper register and dynamic range.