This product set is a erhu string kit made of . With good texture and durable quality, it can help you easily replace old erhu strings and make your erhu sound more clear and comfortable. This is an excellent erhu string kit that will be a good alternative for you. Features -Color: Assorted Color -Material: Metal -Size: About 10.00X9.80X0.10cm/3.93X3.85X0.04in - The sound of the erhu strings are full of resonance, and the hand feels comfortable. - The sound is clear and transparent, the sound is powerful, the reverberation is short, and they are beautiful and moving. - Perfect sound, durable. The treble is strong and the bass is bright and consonant. - The response is quick and , and the transition between notes tones is smoother. Fast tuning and high durability. - Moderate string tension, full resonance of the piano, strong penetrating power, rich expressiveness, insensitive to changes in environmental temperature and humidity, , and rich overtones. Package list: 1 x Inside String 1 x Outside String