1" LONG FORGED D-RING W/WELD ON CLIP | RatchetStrap.com
Amazon.com: Goreks Weld on D Ring Mount 5/8 Inch Tie Down Anchor with Bracket, 18,000 Pounds Break Strength | for Trailers, Trucks, and Cargo Tie Downs (Pack of 4) : Automotive
SmartStraps 5,000 lb. Heavy-Duty Weld On D-Ring at Tractor Supply Co.