Feature:1. This product is suitable for alto saxophone and is a very practical saxophone accessory.2. The brass material is golden, exquisite and durable, has a long service life.3. With highly resonant and has excellent airflow, pitch and intonation.4. Small size, easy to carry and store, convenient to use and with good performance.5. Strict quality control and quality assurance, high safety factor, can be used with peace of mind.Specification:Item Type: Saxophone NeckMaterial: BrassColor: GoldenSize: Approx. 16 x 2.5cm or 6.3 x 1inConnector Diameter: Approx. 2.45cm or 1in.Package List:1 x Saxophone NeckNote:1. The size of the product is the size normally used by International standard2. However, the brand of saxophone is different, the type and size of the keys are also different, and sometimes it is not universal.2. Please confirm the size before purchasing. Thank you.3.Please note that when the assembly is tight, you can apply lubricant to the joint.