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.
Mooring Chain Claw / Anchor Chain Claw Suits 10-13mm Chain
Pin and Screw Anchor Shackles - Dark Horse Marine, LLC
Stainless Steel 316 Anchor Chain Lock 6-8mm Marine Grade - US
Pin and Screw Anchor Shackles - Dark Horse Marine, LLC
Marinenow Anchor Chain Lock (1/4 - 5/16 Chain)
Stainless Steel 316 Anchor Chain Lock 6-8mm Marine Grade - US
Mayitr 316 Stainless Steel Swivel Shackle, Quick Release Boat
Deck Man 316 Stainless Steel 5/16 Boat Anchor Chain with 2 Pcs 3
DESIGNED TO FIT - Chains with a diameter of 3/16-inch to 1/4-inch - provide a secure hold for your anchor chain.
Five Oceans Anchor Chain Stopper for 3/16 to 1/4 Chain, Stainless Steel - FO4505
Chain 8mm Short Link - AISI 316 Metre
Kong Quicklink Stainless 4mm
Mooring Device 6-8MM Boat Stainless Steel Anchor Chain Lock