Welcome to our store! 1. The strings are very suitable for ukulele guitars as excellent accessories and have a long lifespan. 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 durability are long. 3. The volume and tone decay are not obvious for a long time of use, there are more keyboard instrument interests. 4. The precisely wound bass strings can produce a warm, unique sound, very consistent. 5. The four-piece set can replace all strings on a four-string guitar. Item Type: Ukulele String Specification: Approx. 1st string: 0.52mm 2nd string: 0.65mm 3rd string: 0.74mm 4th string: 0.55mm 4 x Ukulele Strings (4 specifications) Customers are our top priority. If you encounter any problems with your product after receiving it, such as damage or incorrect quantity, please contact us immediately. We strive to provide you with the best after-sales service.