4ea Recessed D Rings w Backing Plates f Enclosed Trailer Cargo Trailer 4 Pack of Recessed D-Rings with Backing Plates Pan Fittings measure 4 1/2" wide x 4 7/8" high x 7/8" deep Mounting holes in each corner and drain hole in bottom are standard Recesses into a 3 1/2" Hole Anchor Point Rings are flush with surface when not in use swivel to match the angle of your tiedown Great for Truck Trailers, Race Car Trailers, RV's, Utility Trailers, Auto & ATV Tiedowns, Farm ap cations and many more uses Rated at 5,000 lb Minimum breaking strength with a 1,670 lb WLL (Working Load Limit)