Large shank Gold plate Cup diameter: 25.75mm Rim width: 6.64mm Throat: 6.87mm Backbore: Medium. Large shank New price: Around 30,000 yen ★Personal Impression This mouthpiece responds quickly and is easy to handle. It's an old-fashioned standard, and I used it with a Conn 8H (large bore tenor). It was comfortable to play, and it was easy to adapt to various genres.