Item Type: Erhu Qianjin Product Material: ABS + 304 Stainless Steel Colour: Black Surface: Plating and polishing treatment. Process: Step by step grinding, polishing process. Application: Universal for standard Erhu. Package List 1 x Erhu Qianjin 1 x Accessory 1Made of ABS and stainless steel, the hard erhu strings pass through it and fit together, ensures comfortable feel and the soft tone. 2Can adjust the distance between the shaft and the strings. Just loosen the sliding adjustment screw and adjust the finger distance. 3Very easy to install. The installation and locking can be realized by only twisting the locking screw. 4The premium material promises excellent resonance with the string, making your playing more beautiful. 5Small size and light weight, convenient to carry and store, very durable for long-term use.