Our grade 70 transport chain is marked to meet DOT specifications and comes in a variety of sizes and working load limits for all types of jobs. We sell grade 70 bulk chain by the foot with a minimum length per order of 100 feet. A full drum of 70-grade bulk transport chain equals 500 feet of chain, and every order is shipped free. Practice safety when you use transport chain! Never exceed the working load limit listed on the product specifications of the chain, and never use the chain for overhead lifting. Contact us today if you have questions or concerns about which grade 70 bulk chain to purchase.