Chinese One String instrumentChina's One String instrument was considered very popular back in time. It usually consists of 2 strings, 2 tuning pegs, and the wood. It also includes a bow, a nut, and a resonator. The Erhu produces a sound that is similar to a violin but at a higher pitch. The Erhu is a musical instrument that will allow you to express your feelings and moods. Chinese One String instrument Features 13"X2"X1" 33X6X3. 5cm 2. 83lbs Traditional look Wooden