Black PVC outer jacket for maximum flexibility and durability. Steel inner
casing that is tightly coiled for low compression. A pre-lubricated nylon
inner sleeve guarantees smooth operation and long life. All wire ends are
bird caged prior to terminal casting for superior pull-out
resistance. EPDM molded rubber components for high UV resistance and long
life. Injected molded components are manufactured from high strength POM
material.