【Brand Reliability】 YAMAHA is a brand with a long history and reliability in the musical instrument industry. This mouthpiece is supported by a wide range of players, from professionals to amateurs. 【Product Features】 This French horn mouthpiece is model 30E and is particularly excellent in tone and response. It is designed to bring out the expressive power of sound that the player seeks. 【Quality of Manufacturing Country】 Made in Japan, it is subject to high-quality control, ensuring durability and playability. It is designed for comfortable use even during long hours of playing. - Brand: YAMAHA - Country of Manufacture: JAPAN - Model: 30E YAMAHA 30E ・Inner Rim Diameter: 17.03 mm ・Outer Rim Diameter: 24.60 mm ・Rim Width: 3.79 mm ・Rim Bite: Sharp ・Rim Contour: Round ・Cup Shape: Full V ・Cup Depth: 31.32 mm ・Throat Diameter: 4.45 mm ・Cup Volume: 2.95 ml ・Backbore Volume: 0.86 ml ・Total Volume: 3.61 ml ・Weight: 29.75 g ・Shank: American 5.2/100