Features: Metal Screws: These saxophone screws are made of metal material with high hardness, abrasion and scratch resistance, offering a long service life. Standard Size: These screws have standard thread and size for quick tightening without slipping or falling off, making them convenient and practical. Good Compatibility: These metal screws are perfect for treble, soprano and tenor saxophones, and are compatible with most models of saxophone necks. Easy Installation: The sax neck screw is tightened by finger and thumb, easy to install and replace; non-slip design makes operation efficient and convenient. Storage Box: Equipped with a storage box with soft padding, which helps organize and protect the sax neck screws and prevent thread wear. Specifications: Material: Metal Color: As shown in the picture Package Weight: approx. 30g Size: approx. 3.2 x 1.2 x 1.2 cm / 1.25 x 0.47 x 0.47 in Package Includes: 1 Set of Saxophone Neck Screws Note: Please allow 1-2 cm error due to manual measurement. Please ensure you are comfortable with this before purchasing. Due to differences between monitors, the picture may not reflect the actual color of the item. Thank you!