DF3498 Chain is made to rotate on two planes and travel in multiple directions with a large sliding surface, which makes it an ideal chain for an extremely wide selection of applications. The look of the chain enables maximum flexibility so 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 surfaces 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 other options and configurations available for double flex chain upon demand. For more information on DF3498 chain or other products you can expect, or to get yourself a quote double flex chain china please e mail us and we will be happy to assist you