Feature: Made of cattle bone material, it has excellent sound transmission and wear resistance, which can enhances the sound quality and durability of bass performances. The design conforms to ergonomics, providing a comfortable playing experience for bassists, reducing wrist pressure, and increg the comfort of long-term performances. After precise production, it ensures a close fit with the bass neck, stable fixation in the correct position, and will not interfere with performances. Easy to install, compatible with most five string basses, and adjustable in height and tilts to meet the personalized needs of different performers. Suitable for bassists, including beginners, amateurs, and professional performers, who hope to improve the sound quality and comfort of their performances. Specification: Material: Bone Size: As Shown In The Picture Note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Bone NutSuitable for bassists, including beginners, amateurs, and professional performers, who hope to improve the sound quality and comfort of their performances. Easy to install, compatible with most five string basses, and adjustable in height and tilts to meet the personalized needs of different performers. After precise production, it ensures a close fit with the bass neck, stable fixation in the correct position, and will not interfere with performances. The design conforms to ergonomics, providing a comfortable playing experience for bassists, reducing wrist pressure, and increg the comfort of long-term performances. Made of cattle bone material, it has excellent sound transmission and wear resistance, which can enhances the sound quality and durability of bass performances.