Alto Saxophone Neck Tightening Screws Musical Woodwind Instrument Replacement Part Set Accessories for Musicians Beginners Description: Material: This sax neck tightening screw uses steel as the material, which is wear resistant and not easy to be damaged. Easy to install: The steel saxophone tightening screw is small in size and can be installed on the sax easily. Wide usage: This woodwind instrument fixing part has a wide application which is suitable for alto or tenor sax. Neck fixed: By using the music instruments tighting accessory can help you tight the screws on the neck of the saxophone. Fit occasions: The saxophone neck tightening accessory can be used in many occasions such as professional rehearsal and performance. _x000D_ Specification: Size: Screw length: Approx. 30mm/1.18inch; bolt width: Approx. 4mm/0.15inch. Screw length: Approx. 30mm/1.18inch, bolt width: Approx. 5mm/0.19inch. Material: Steel. _x000D_ Note: There might be a few color distortions due to different computer resolutions. There might be a slight error due to different hand measurements. _x000D_ Package Includes: 1 Set Sax Neck Tightening Screw. _x000D_ _x000D_ _x000D_