Features 1、[Eliminate Noise] The guitar roller saddle bridge features high stability bridge fixing ring that can eliminate unwanted noise, ensuring clear sound for your music. 2、[Enhanced String Stability] The guitar saddle bridge can help keep strings stable, reduce string breakage, increase sustain and keep tuning stability. 3、[Alloy Construction] Crafted from premium alloy material, this guitar roller bridge is sturdy and robust, ensuring long lasting durability. 4、[For 4 String Guitar] This guitar roller bridge is suitable for 4 string bass guitar, allows for independent tuning of intonation. 5、[Replacement Part] This guitar roller bridge is a standard replacement or upgrade part for your bass guitar, providing enhanced performance. Specifications: Item Type: Guitar Roller Saddle Bridge Material: Alloy Use: Suitable for four string bass guitar bridge Color: Silver Package List 1 x Bridge 2 x Accessories