12-Strand Polyester Rope Chain Slings are used as a low stretch anchor point for Arborists and Utility contractors. All Gear, Inc. Polyester Rope Chain Slings have a 2' Ballistic Nylon Outer Jacket which slides to cover any of the Rig Point Eyes for Extended Life. Premium Husky Urethane� Coating is applied to provide excellent resistance to chemicals, sunlight and abrasion.