Pin and Screw Anchor Shackles - Dark Horse Marine, LLC
Anchor Swivels, Just Say No - Attainable Adventure Cruising
VEVORbrand Boat Anchor Kit 13lbs Fluke Style Anchor, Hot Dipped Galvanized Steel Fluke Anchor, Marine Anchor with Anchor, Rope, Shackles, Chain for Boat Mooring on the Beach, Boats from 20'-32' - Walmart.com
Hot Galvanized or Stainless steel Marine Anchor Chain Swivel Link from China manufacturer - China Deyuan Marine