Red Hound Auto Qty 6 Flatbed Truck Trailer Cargo Tiedown Weld-On D-Ring 1/2" Anchor Tie Down Point 6 Heavy Duty Premium Forged D-Rings with Weld-On Brackets Safe Working Load: 4000 lbs; Breaking Strength: 12000 lbs Industrial strength forged steel  thick D-Ring; Made durable and ready to handle tough environments D-Ring is approximately 3-1/2 x 3-1/2; bracket is approximately 1-1/2 x 2 (outside measurements) Great for tarps, boat covers, cars, trucks, trailers and more