Set of 8 Bolt-on 1/2" Forged D-Rings for Trailer, Truck, Tie-down Ring-27014 Package include 8 D-rings and 8 bolt-on brackets 4,000 lb working load and 12,000lbs min. breaking strength. 1/2" ring diameter Made by forged steel Great for truck trailers, utility trailers, RV, ATV Tie-downs, Boat covers,tarps and more.