French Horn Mouthpiece Alexander 8F European Shank Inner Diameter: 17.5mm Throat Bore: 3.7mm Cup Depth: 24.0mm Rim: 4mm New Price: ¥14,850 The cup is slightly shallower than the Alexander 8. This item has been stored for a long time and has some discoloration, but it is unused. It can still be used for playing. This is a used item, so please purchase only if you understand this.