DF3498 Chain is made to rotate on two planes and double flex chain china travel in multiple directions with a huge sliding surface, which makes it an ideal chain for an extremely wide variety of applications. The look of the chain allows maximum flexibility therefore the chain can travel around obstacles and also corners. This DF3498 chain is produced with high-quality metal and features hardened pins, bearing surfaces, and sliding surfaces to dramatically boost the strength and operation existence of the chain. competitive price directly from stock, as well as a full line of high-quality DF3498 chain sprockets. There are other options and configurations designed for double flex chain upon request. For more information on DF3498 chain or other products we offer, or to get a quote please e mail us and we will be pleased to assist you