These are shamisen strings. From the left in the photo: First string (ichi no ito) 【Silk 15-1】 2 strings Second string (ni no ito) 【Silk 13-2】 5 strings Third string (san no ito) 【Silk 13-3】 5 strings This set is commonly used for the Nagauta shamisen. These are not used items, but rather 【New】 so there is no deterioration due to aging. (The freshness of the strings is key!) ・For multiple purchases ・For combined purchases with other items We will offer a 【discount】, so we would appreciate it if you could 【comment in advance】. If you have any 【opinions or questions】, please feel free to comment on anything.