B0002E2BM4 Bach 3411HGM Large Shank Tenor & Bass Trombone Mouthpiece, Silver Plated, 1-1/2 GM Cup Deep

Make sure this fitsby entering your model number.
Cup Diameter: 27.00mm
The Package Length of the Product is 4.1 centimeters
The Package Widht of the Product is 4.1 centimeters
The Package Height of the Product is 8.9 centimeters