The 21 string lyre harp equipped with metal strings. Using high-quality metal strings, it is clear and beautiful without hurting your hands and easy to tune. Tunes stable, excellent sound quality.Sealed packaging, moisture and rust proof. Smooth, will not cut your hands, providing you with a perfect music experience. The 21 String Harp Lyre string,the tone is ringing and can fill in a whole room. The shorter string is the higher tone you get. And so does the tension of strings. It is the best gift for children, adults, bands and .Suitable for Lyre Harp DIY accessories.These strings can offer exceptional tone and beautiful sound, they are the for Lyre learners, performers, musicians. Colour:Photo Color Material:Metal Package Contents: 1 x 21 string lyre strings Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.