D'Addario Titanium Ukulele strings are crafted from a dense monofilament material well suited to Ukulele's due to its slightly brighter tone and increased projection. It has an attractive, translucent purple appearance and a polished, smooth feel similar to nylon. EJ87B strings are designed specifically for baritone ukuleles. The 3rd and 4th string are a silver-plated copper wound on nylon complimented by a 1st and 2nd string which are made from our bright sounding titanium material. This set is optimized for usage with standard DGBE tuning.