DF3498 Chain is made to rotate on two planes and travel in multiple directions with a sizable sliding surface, making it an ideal chain for a very wide selection of applications. The look of the chain allows maximum flexibility so the chain can travel around obstacles and even corners. This DF3498 chain is produced with high-quality metal 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 type of high-quality DF3498 chain sprockets. There are additional options and configurations designed for dual flex chain upon ask for. For more information on DF3498 chain or other products we offer, or even to get a quote please double flex chain china contact us and we will be pleased to assist you