This is a 5/8 in. (16mm) Samson Tenex 12-Strand Single Braid. Sling-Grade Polyester eye spliced in 1 end by ROPE LOGIC, 20 ft. The eye sling is perhaps the most versatile tether for rigging hardware. A block, Portawrap or other device is secured within the sling's eye, and a choking hitch such as a cow hitch or timber hitch is tied using the running end. Although 1 must know knots to use an eye sling, there's no arguing its efficient simplicity. This rope's construction is stronger and more flexible than others because of its loosely woven, hollow construction. Since there's no core to this rope, abrasion wear is distributed throughout the cordage where it can be more easily monitored. There is a 17,000 lbs. tensile strength, 1,700 lbs. WLL, and it weighs 1.7 lbs. Material: Nylon.