DF3498 Chain is made to rotate on two planes and travel in multiple directions with a huge sliding surface, making it a perfect chain for a very wide range of applications. The design of the chain allows maximum flexibility therefore the chain can travel around obstacles and also corners. This DF3498 chain is produced with high-quality steel and features hardened pins, bearing areas, and sliding areas to dramatically increase the strength and operation life of the chain. competitive price directly from stock, in addition to a full line of high-quality DF3498 chain sprockets. There are various other options and configurations designed for double flex chain upon demand. To learn more on DF3498 chain or other products we offer, or even to get a quote please contact us and we will be double flex chain china pleased to assist you