Thank you for viewing our page. This item is a ❮set product❯. It was found in the storage of my parents' house. I believe it is probably unused. *I am not familiar with musical instruments, so I may not be able to answer your questions. Regarding the condition of the product, there is discoloration and stains on the case due to aging. Please judge the rest from the photos. Please consider this item only if you understand that it has been in someone's possession. Also, please refrain from purchasing if you are looking for a perfect product or if you are sensitive to such things. #YAMAHA #Yamaha #Dynamic #Guitar #Strings