Feature:1. The strings are very suitable for ukulele guitar as excellent accessories, and has long service life.2. The characteristic of carbon strings is that the tone is very bright (in fact, some carbon strings are too bright), the volume is large, the sustain and the durability is long,3. The volume and tone attenuation are not obvious for using a long time, there are more keyboard instruments interests.4. The precisely tangled bass strings can produce warm, unique sound, very consistent.5. The four-piece set can replace all strings on a four-string guitar.Specification:Item Type: Ukulele stringSpecification: Approx.1 String: 0.52mm2 String: 0.65mm3 String: 0.74mm4 String: 0.55mm.Package List:4 x Ukulele String (4 specifications)