30014-500
Heavy-Duty Plastic Barrier Chain, Slate Gray, 2-Inch Link 500ft Mr. Chain
A nice touch is the snap-on plastic bracket that mounts securely without screws.
MR. CHAIN 30014-500 1.5 In. X 500 Ft. Safety Green Plastic Barrier Chain
This plastic component is made from a single mold, so there are no seams to fail.