UKELELE STRING KIT Addario EJ88B Nyltech Baritoned D string set designed specifically for baritone ukuleles. The third and fourth strings are silver plated copper beading on a nylon core and are complemented by the first and second strings made from our exclusive Nyltech material. This game is optimized for use with standard DGBE tuning. Developed in collaboration with Aquila, the Addario Nyltech D strings are an exclusive combination of materials designed to deliver an optimal combination of warm tone, yet punchy, comfortable playing, precise intonation and tuning stability not found in other ukulele strings. Gauges: 0.026, 0.036, .024, .030, Made in the USA. for the highest quality and performance.