(30)- Bolt-on 1/2" D Rings Trailer Flatbed Truck Rope Tie Down OTK20-0224One New Aftermarket Replacement Set of Thirty (30) D Rings (each with 1 Bracket Clip Attachment) These D Ring Assemblies are the perfect way to Strap Tie down any Ropes or Chains for Cars, Trailers, Trucks, Flatbeds, RVs, Auto Haulers, Farm Equipment, ATVs, Utility Trailers and more! Tech Info: 1 2" Diameter Forged, Heavy Duty Zinc Plated Top to Bottom (with Clip): 5" High Outside (w o Clip): 3. 25" Wide x 3. 50" High 4,000 lb WLL (Working Load Limit)