UKELELE STRING KIT Addario EJ88S Nyltech Soprano D string set designed for use with all soprano ukuleles. Each string is made from our exclusive Nyltech material and optimized for GCEA tuning. Developed in collaboration with Aquila, the Addario Nyltech D strings are an exclusive combination of materials designed to offer an optimal combination of warm tone, yet punchy, comfortable playing, precise intonation and tuning stability not found in other ukulele strings. Gauges: 0.024, 0.030, 0.036, .026 Made in the USA. for the highest quality and performance