Breslmair Horn Mouthpiece 2D4 for French Horn Handmade mouthpiece from Austria. This product offers a smooth and resonant sound. Inner Diameter: 17.00mm Rim: 3.93mm Depth: Deep Throat: 4.3mm Current Price: ¥24,000 ◼︎Please Note: ・This is a used item, so please be aware of normal wear and tear. It was used for about a week. ・The shank has been repaired for a dent once.