B. Tilz Bass Trombone Mouthpiece Silver Plated, Large Shank Nea 8-1/2GT Cup Diameter: 28.5mm Depth: Slightly deeper than 8-1/2G Throat Diameter: 7.2mm ★Excellent condition, only tried a few times after purchasing new. The Nea model is a rare model in Japan, and its bright, rich tone and good response make it a good match for European bass trombones. Compared to the special model, it has a thicker rim and a weighted design for a powerful and deep sound. Regular Price: ¥23,100