Core's D rings-anchors are great for a variety of anchoring purposes:
Truck beds
Trailer decks
Toy hauler
Core's Light Duty recessed anchor ring. Zinc-coated steel, 1200 lbs. breaking strength.
5" long x 3.5" wide x 1/2" deep.
Core's Heavy Duty recessed anchor ring. Square shaped. Zinc-coated steel, 5000 lbs breaking strength.
5" long x 4.5" wide x 1" deep.
Core's Heavy Duty recessed anchor ring, oval shaped. Zinc-coated steel, 4840 lbs breaking strength.
5.75" long x 4" wide x 9/16" deep.