Husky 12-Strand Adjustable Polyester Slings are used as a low stretch anchor point for arborists and as lifting tool for contractors . Adjustable Polyester Slings have a Ballistic Nylon Outer Jacket at the Eye for Extended Life. Premium Urethane Coating is applied to provide excellent resistance to chemicals, sunlight and abrasion. Includes large-sized rigging spring block and hand-spliced, all-polyester Whoopie sling. Protective Sleeve on wear points greatly extends the life of your sling. Polyester Husky Urethane Coating is very resistant to abrasion