(50)- Bolt-on 1/2" D Rings Flatbed Truck Trailer Rope Tie Down Strap D-RingNew Aftermarket Replacement Set of Fifty (50) D Rings (each with 1 Bracket Clip Attachment) that feature the following: 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 D Ring Forged, Heavy Duty Zinc Plated Includes Bolt on Type Clip Top to Bottom (with Clip): 5" High Outside (w o Clip): 3.