【Brand Reliability】 Yamaha is a brand with a long history and a reputation for reliability in the musical instrument industry. This mouthpiece is supported by a wide range of players, from professionals to amateurs. 【High-Quality Materials】 The metal mouthpiece is durable and designed to improve sound quality. It provides comfort and clarity of sound during performance. 【Specific Model】 The CR-11B4L is specifically designed for cornets and features a special design to meet the needs of players. - Brand: Yamaha - Model Number: CR-11B4L - Material: Metal - Type: Mouthpiece Inner Rim Diameter: 16.64mm Throat Diameter: 3.65mm Silver Plated With Box Thank you for viewing.