String Lock - The Ideal Choice for Headless Guitars is a leading factory specializing in guitar accessories, offering a diverse range of string lock products for you to choose from.By color: There are black string locks, chrome string locks, and gold string locks.By string spcing: 10.3mm string locks ,10.4mm string locks and 10.5mm string locks are available.By material: Brass string locks, alloy string locks, stainless steel string locks, and titanium alloy string locks are on offer.By type: There are guitar string locks and bass string locks. Among bass string locks, there are headless bass string locks, including 4- string headless bass string locks, 5 - string headless bass string locks, and 6 - string headless bass string locks. All these metal string locks can enhance your bass guitar - playing experience. Exceptional Material, Superior Quality. titanium alloy guitar string lock is boasting numerous unrivaled advantages. It is lightweight yet robust and durable. Weighing only - third of a alloy string lock of the same size, it has 3 to 4 times the hardness of its alloy counterpart.The brass string locking nut are sturdy, durable, and corrosion - resistant. Unique Design Features: The string - tightening screws of our 4 string bass string locks and 5 string bass string locks have a steel ball between the string - tightening screw of the string lock and the string, which ensures that the string won't be cut off when tightened and remains very secure. Easy Installation: Each package comes with metal string locking nut, hex wrench, and mounting screws, making installation a breeze. Even if you're a DIY enthusiast, you can quickly install these guitar bridge string locks and start enjoying improved tuning stability. Upgrade your guitar today with reliable string locks and take your playing to the next level. Application: This bass guitar string locking nut is applicable to 6 - string headless basses Specifications: The bass string lock measures 18mm×10.2mm×13.5mm(0.71in×0.40in×0.53in). String clamping screw distance(center-to-center): 8.3mm (0.33in),Metric M6 thread,String hole diameter: Strings 1-5 are 3.1mm(0.12 in),the 6th is 3.8mm(0.15in) Material: The headless bass locking string retainer is made of high-quality alloy, with an electroplated surface. It is sturdy and durable, and resistant to corrosion Cool appearance: The front face of the gold bass string lock is a rounded trapezoid. They are installed in sequence, in positive orientation and the other in reverse, complementing each other. With a bright surface, it is full of charm Easy to install: Each individual bass string clamps can be secured to the neck with just 2 screws. It is recommended to pre-drill a hole with an drill first to avoid splitting the wood or breaking the screws Anti-string-cutting design: After the bass guitar string locking nut is secured, place the metal washer on the strings and then tighten the string clamping screw, which ensures the strings are firmly fastened without being crushed or broken Packaging: It includes 6 individual headless bass string locks, 1 hex wrench and mounting screws, making installation extremely easy