This cotton string is compatible with Duncan metal and plastic yo-yos. The durable string does not hurt the fingers, ensures yo-yo performance does not suffer, whether you are a beginner or a seasoned yo-yoer.
This is the perfect replacement string for Duncan series of plastic and metal yo-yos.
There are many types of yo-yo strings but the 100% cotton strings are considered the softest and have impressive resistance to wear & tear. Cotton strings like these are least likely to burn or scrape-against the skin.