1、Excellent Zinc Alloy Material: This professional guitar bass bridge is made of excellent zinc alloy material, which is abrasion resistant, strong, robust, not easily damaged, and has a long service life. 2、Easy To Install: This metal four string bass bridge is easy to install, you just need to use the screws to fasten it to the bass, without the need of other complicated operations and tools, which is very convenient. 3、Good Performance: This electric bass guitar bridge is beautiful and has excellent sound quality, it fits a wide range of guitars excellent accessory, it is a must have accessory for your performance, very practical. 4、18mm String Spacing: This electric bass bridge replacement features 18mm string spacing, and an adjustable saddle that fits the square saddle bridge of a 4 strings bass, making it very practical. 5、Wide Application: This electric bass bridge has a wide range of applications, which can be used for daily practice, stage performance and music recording, with a vintage look that can add decoration to your bass. Item Type: Bass Guitar Bridge Material: Zinc Alloy Feature: Adjustable height base plate, roller string saddle Application: Suitable for 4 strings bass guitar. String Spacing: Approx. 18mm / 0.71in 1 x Bass Guitar Bridge 4 x Screws 2 x Hex Wrenches