Feature:1. For Tremolo System: String locking screw replacement, mainly used for guitar tremolo system, to replace the old or damaged, to ensure that the guitar plays well.2. For String Fixing: The string on the guitar bridge can be locked to prevent the guitar string from loosening during playing, which is convenient and practical.3. Metal Material: These guitar bridge screws are made of excellent metal with high hardness, wear and corrosion resistance, can be used for a long time.4. Standard Size: These bridge screws have standard size and clear thread, which are not easy to loosen or slip after installation, stable and reliable.5. 10Pcs in1 Set: Including 10pcs guitar screws, sufficient quantity for easy installation and replacement, with glossy appearance, safe and durable.Specification:Item Type: Guitar ScrewsMaterial: MetalColor: Silver.Package List:10 x Guitar Screws