Lewmar's heavy-duty anchor rode swivel for 1/4" and 5/16" chain, made from 316 stainless steel with secure screw pins for reliable attachment between line, chain, or anchor.• Heavy-duty anchor rode swivel• Attach between line and chain or chain and anchor• Durable 316 stainless steel construction won't rust in harsh marine environments | Lewmar Anchor Swivel 1/4" and 5/16" Chain #SWIVEL312F