DescriptionA large inner rim diameter and medium cup. For advanced orchestra players who like a free blowing mouthpiece. Rim 17.29 mm .681 inches. Throat 3.78 mm Reviews0 A large inner rim diameter and medium cup. For advanced orchestra players who like a free blowing mouthpiece. Rim 17.29 mm .681 inches. Throat 3.78 mm Write a review There are no reviews yet