This is for one (1) quality marine grade stainless steel (AISI 316) anchor chain lock. This chain lock is suitable for 6-8mm (or 1/4 - 5/16) chain.
Wholesale mooring device with anchor chain lock For Different
Deck Man 316 Stainless Steel 5/16 Boat Anchor Chain with 2 Pcs 3
Boat Anchor Chain - 5/16 by 10 Feet Long Stainless Steel with 2
Marine Chain
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Marinenow Anchor Chain Lock (1/4 - 5/16 Chain)