This replacement saxophone is made of ABS high-strength plastic, which is durable. This kind of plug expands the overtone connecting rod to protect the sleeve, and prevents the connecting rod from being squeezed and deformed when the saxophone is disassembled and assembled. Features -Material: ABS high strength plastics -Light weight and easy to carry, it is a good accessory for your saxophone instrument and easy to use. -The stable structure is convenient for practical use, the installation method is simple, and labor and time are saved. -Suitable for adjusting E saxophone, B flat saxophone, etc., practical and durable, not easy to deform. -This product has perfect workmanship, protects your saxophone from being squeezed, and you will have a good experience in using it. -Creative design will bring you a wonderful experience and bring you a good mood. Package list: 1 x Saxophone plug