Features: Made from steel wire and nylon, good elasticity, good sound quality, not easy to break. Suitable for 163 guzheng, also suitable for guzheng strings, and general guzheng strings 1-21. As a replacement string for guzheng, it has the same effect as the before string. The product has toughness, softness, good intonation and high sensitivity. Easy to install: It is easy and fast to use and install, without too many complicated installation steps, and the performances is good. Specifications: Materials: Steel core nylon wrapped string Styles: 1/2/3/4/5/6/7/8 Length: about 156cm/61.42inch Package Includes: 1set Guzheng Strings 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.