OVSAL

OVSAL Brass 8-String Headless Guitar Bridge String Lock

A CNC-machined brass string lock built specifically for 8-string headless straight-fret guitars, with a matte black finish tuned for corrosion resistance

$31.99*
In Stock on Amazon.com
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*Price sourced from Amazon.com. Last updated:Aug 18, 2026.Price and availability are subject to change — details.

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Overview

The OVSAL Straight-Fret Brass 8 String Guitar Bridge String Lock addresses a narrow but real need: hardware for headless, straight-fret 8-string electric guitars. It is aimed squarely at luthiers assembling new builds and DIY players swapping out old or damaged locks. This is a component, not a complete bridge system, and OVSAL positions it within a broader lineup that also covers 6- and 7-string instruments. Machined from brass and finished in matte black, it leans on material quality and precise dimensions rather than flashy features.

Construction is where the piece earns its keep. It is CNC machined from brass for tight tolerances, with surfaces described as smooth and burr-free and a matte black plating chosen for durability and corrosion resistance. The unit measures 56mm by 33.2mm by 11mm, with string spacing of 7mm across seven gaps for 49mm total. String safety gets specific attention: ball-shaped tightening screw heads and recessed screw hole bottoms are designed to clamp strings without nicking them. M4 locking screws handle the strings while M3 screws mount the hardware.

Practical ownership is straightforward. OVSAL says installation needs only one screwdriver, and the box ships with a hex wrench and four mounting screws, small parts bagged separately to avoid scratches. The company recommends pre-drilling shallow holes to prevent wood cracking or stripped screws, a sensible caution for anyone mounting hardware into a guitar body or neck.

Key Features

【APPLICATION】This brass electric guitar string lock fits 8‑string headless straight‑fret electric guitars, ideal hardware for luthier new builds or DIY enthusiasts replacing old and damaged string locks

【BRASS STRING LOCK SPECIFICATIONS】This matte‑black guitar string lock measures 56 mm (2‑13/64") × 33.2mm(1-5/16")× 11 mm (7/16"), string spacing 7 mm (9/32") ×7=49 mm (1‑59/64"), M4 string locking screws and M3 mounting screws

【PREMIUM STRING LOCK】This headless guitar string lock is CNC machined from high‑quality brass, features smooth burr‑free surfaces with premium matte black plating for sturdiness, long service life and great corrosion & rust resistance

【STRING‑SAFE DESIGN】This 8‑string guitar string lock features ball‑shaped tightening screw heads and recessed screw hole bottoms to hold strings firmly without cutting or breaking your guitar strings

【EASY INSTALLATION】Even beginners can install this headless 8‑string straight‑fret guitar string lock easily with just one screwdriver; pre‑drill shallow holes to avoid wood cracking or stripped screws

【SECURE PACKAGING】Package includes 1 matte‑black headless electric guitar string lock, 1 hex wrench and 4 mounting screws; small parts are packed separately to prevent surface scratches

Note: OVSAL offers a series of electric guitar string locks in different materials and colors, including 6-string , 7-string, and 8-string electric guitar string locks. Should you have any questions, please feel free to contact us

Specifications

Brand
OVSAL
Material
CNC-machined brass
Finish
Matte black plating
Compatibility
8-string headless straight-fret guitars
Overall Dimensions
56mm × 33.2mm × 11mm
String Spacing
7mm × 7 = 49mm
Locking Screws
M4
Mounting Screws
M3
In the Box
1 string lock, 1 hex wrench, 4 mounting screws

Frequently Asked Questions

No. It is designed for 8-string headless straight-fret guitars specifically, so it is not intended for instruments with a conventional headstock.
It is CNC machined from high-quality brass with a matte black plating, chosen for sturdiness, long service life, and corrosion and rust resistance.
The design aims to prevent that. Ball-shaped tightening screw heads and recessed screw hole bottoms are meant to hold strings firmly without cutting or breaking them.
The package includes one matte black string lock, one hex wrench, and four mounting screws. You will also need a screwdriver, which is not included.
OVSAL states even beginners can install it with just one screwdriver. It recommends pre-drilling shallow holes first to avoid cracking the wood or stripping screws.
Yes. OVSAL offers a series of string locks in different materials and colors, including 6-string, 7-string, and 8-string options.