suitable for erhu players of all levels, this adjustable tool allows for effortless fine-tuning and string alignment. Whether you're performing on stage or practicing at home, it ensures your instrument stays in suitable harmony. Its compact size makes it easy to carry and use in various musical settings. Features -Color:Multi -Material:Metal -Size:5.00X4.50X2.00cm/1.97X1.77X0.79in -Versatile application: suitable for erhu and violin, this accessory meets the needs of various string instruments, making it a practical choice for diverse musical settings -Quick adjustment: the micro adjustment feature allows for fast and precise tuning, even in challenging environments like outdoor performances -Stable performance: engineered with durable metal components, this ensures stability and maintains consistent sound over extended periods of use -Design: easy to operate, this tool simplifies the tuning process, making it ideal for both seasoned musicians and beginners learning to tune their instruments -Space saving portability: its compact size ensures it takes up minimal space, making it suitable for musicians or those with storage options Package list: 4 x Erhu String Adjuster