These Bass Pro Shops Coated Anchor Chains are coilproof and coated with a polymer for added rust and scratch protection. Chain attaches between the anchor line and the anchor and is recommended for use with all fluke-style anchors. Each chain includes 2 galvanized anchor shackles. Available: 1/4 x 4 chain 1,300-lb. safe work load; 5,200-lb. breaking strength. 5/16 x 5 chain 1,700-lb. safe work load; 6,800-lb. breaking strength. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Anchor.