Features: This premium brass nut for 5 string bass guitars significantly enhances resonance, and tuning stability, ensuring smoother string movement and longer instrument life with its polished finish. Crafted from good quality brass, it measures 45mm x 5.8mm x 7mm with a 1mm base plate, featuring adjustable height via screws and precisely grooved rollers for each of the five strings to optimize performances. Designed for bass guitar players, musicians, and enthusiasts who need reliability replacement parts for their electric bass instruments to maintain playability and sound quality. Ideal for use in upgrading or repairing your 5 string bass during practice, live performances, or studio recordings, where consistent tuning and enhanced resonance are important. Included with a brass nut, base plate, this bass guitar nut accessory offer easy installation and durability construction, making it a must have for any serious musician seeking improved instrument functionality. Specifications: Dimension:45mm/1.77in Component:Brasses Package Includes: 1Set Brass Roller Nut note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.