Guitar Nut Replacement for Headless Systems 42 Mm Metal Double-Locking Structure, Set Supporting Maintenance, Stage Use and Studio Setups

42 mm Controlled Fit: The 4.2cm / 1.65inch specification is intended for corresponding headless guitar double-locking nut systems; compare the mounting position before selection Maintenance And Modification: Use this locking nut when replacing or updating a compatible headless guitar setup for practice, live playing, or studio Set Quantity And Fit Check: A single set is supplied for a compatible replacement project; measure the installation position and confirm the nut assembly before fitting or setup work Metal Mechanical Structure: The metal body combines string-locking, mounting, and setup functions within a focused component for repeated guitar maintenance work Double-Locking String Control: The mechanical locking structure is designed to hold strings securely and a more stable setup during practice, live playing, or studio