Description: Chinese traditional musicial instrument zhongruan string. Steel core cupronickel wound string. 1 2 3 4 strings 4 types string Gdgd1 Replacement parts for middle ruan,zhongruan instrument. Great for middle ruan lute players. Specification: Material: Steel Size Chart: Size(L x W x H): Approx. 10 x 10 x 0.3cm / 3.94 x 3.94 x 0.12inch Package Includes: 1 Set Middle Ruan String Note: Color might be slightly different due to the color calibration of each individual monitor