DF3498 Chain is designed to rotate on two planes and travel in multiple directions with a huge sliding surface, which makes it an ideal chain for an extremely wide variety of applications. The design of the chain allows maximum flexibility so the chain can travel around obstacles and actually corners. This DF3498 chain is manufactured with high-quality steel and features hardened pins, bearing surfaces, and sliding areas to dramatically increase the strength and operation life of the chain. competitive cost 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 double flex chain china demand. To learn more on DF3498 chain or other products you can expect, or to get yourself a quote please e mail us and we will be pleased to assist you