CargoSmart 4.5-in Silver D-ring in the Specialty Fasteners & Fastener Kits department at Lowes.com
Heavy-Duty Forged D-Ring Kit #B40MP
Werner A330000 D-Ring Plate Anchor for Metal Surfaces
Amazon.com: 24 Pieces D-Ring Tie Down 1/4 Inch Stainless Steel D-Rings Trailer 700 Lbs D-Ring Bracket D Ring Mounting Plate for Ratchet Tie Down Straps Car Truck Bed Cargo (Black) : Automotive
WELDED DEE RING #2050 – Mutual Hardware
Sapsis Rigging Inc.: D-Ring Keeper Plate (Works with D-Ring Part # 9746)