DF3498 Chain is designed to rotate on two planes and travel in multiple directions with a huge sliding surface, making it an ideal chain for an extremely wide selection of applications. The design of the chain enables maximum flexibility therefore the chain can travel around obstacles and even corners. This DF3498 chain is manufactured with high-quality metal and features double flex chain china hardened pins, bearing areas, and sliding areas to dramatically boost 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 additional options and configurations available for dual flex chain upon demand. For more information on DF3498 chain or other products you can expect, or even to get yourself a quote please contact us and we will be happy to assist you