The string adjuster adopts copper and plastic, anti-rust, outstanding durability and stability with fine workmanship, high glossiness surface. Easily adjust the erhu in accurate tunes again, save time and effort. With good texture and durable quality, it can help you easily adjust erhu strings and make your erhu sound more clear and comfortable. Features -Color: Brown. -Material: Plastic, copper. -Size: About 3.80X2.80X1.10cm/1.49X1.10X0.43in. - Made of durable copper and plastic, smooth and clean, anti rust, anti bend and twisted, strong and durable. - Improve the sound quality and overall performance of erhu, with fine-tuning function and adjustable distance. - Direct replacement for the old or broken one. It can improve the timbre of the erhu, making it more . - High durability and high precision adjustment to ensure that the user will not affect the performance due to fine tuning problems. - he design structure is reasonable, the operation is simple, the application is convenient, and you can use it with confidence. Package list: 1 x Erhu Fine