Features 1、Guitar Accessories: Includes a guitar string locking nut, string lock screws, string lock insert blocks and a L wrench, providing all necessary components. 2、Stainless Steel Material: The accessories are made of stainless steel material, sturdy and anti corrosive, ensuring long lasting use without easily damage. 3、Height Adjustment: This string locking nut screws set is suitable for tremolo adjustment, suitable for adjusting the height of the strings at the neck end. 4、Precise Fit: These guitar accessories are precisely crafted with accurate size and thread, ensuring precise fit and easy setup, convenient and simple. 5、Replacement Parts: This string locking nut screw kit is designed for replacing damaged, broken original components, recovering your guitar performance. Specifications: Item Type: Guitar String Locking Nut Material: Stainless Steel Use: Guitar fix string, nut and saddle, sound hole fixing accessories Color: Black Package List 1 x Guitar String Locking Nut 6 x Fixing Blocks 14 x Screws 1 x L Wrench