Description Upgrade your electric guitar with this precision guitar string tree retainer set, crafted from durable metal guitar locking nut for long-lasting performance. The electric guitar string retainer ensures secure mounting hardware and consistent string tension, making it ideal for instrument repair and enhancing tuning stability during practice or performance. Features -Color:Black -Material:Metal -Size:0.40X0.30X0.30cm/0.16X0.12X0.12in - Change design: our electric guitar string retainer set enables rapid string replacement, streamlining gig and practice transitions for all electric guitar users -Stable tuning assurance: featuring a precision hex thread structure, these guitar screws securely hold strings in place, maintaining tuning stability throughout intense performances -Durable metal construction: crafted from professionalgrade metal, the guitar locking nut and screws resist wear and breakage, ensuring longlasting reliability for frequent use -Universal compatibility: suitable for various electric guitar models, these guitar mounting screws meet the needs of diverse players and fit seamlessly into multiple instrument setups -Enhanced string tension control: the headfixed guitar string tree retainer boosts string tension and sustain, elevating musical expression and sonic clarityPackage list: 6 x electric guitar string locks screws