Application: 4 - string headless electric bass string locking nut.
Color: Silver
The bass guitar string lock measures 30mm×27mm(1.18"×1.06").
The thickness of the bottom plate 3mm （0.12inches）
Material: Zinc alloy, with an electroplated surface.
It is sturdy and durable, and resistant to corrosion.
There is 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.
Packaging: 4 x string lock, 1 hex wrench and 8 x mounting screws.