Horn Mouthpiece Holton MDC American Shank Long-term storage, unused Inner Diameter: 16.21mm Bore Size: 4.62mm Depth: Medium Deep (V-cup) Rim: Medium Wide Current new price: 14,960 yen Popular Holton MDC Highly recommended for beginners I think it's easy to use as school equipment. Although there is some blackening due to long-term storage, there is no problem with playing. It will be shipped in an air cushion bag (bubble wrap) via Nekopos. This is a used item, so please purchase only if you understand.