Set of 4 Weld-on 5/8" Forged D-Rings for Trailer, Truck Tie-down Ring - 27012 Package include 4 D-rings and 4 weld-on brackets 6,000 lb working load and 18,000lbs min. breaking strength. 5/8" ring diameter Made by forged steel Great for truck trailers, utility trailers, RV, ATV Tie-downs, Boat covers,tarps and more.