This heavy duty tie down ring features a recessed mount design. The outside diameter is 6.38" while the inside portion is 4.38". Four mounting holes form a 5.41" bolt circle. Unit is 1.13" deep. Zinc plated to resist corrosion. Rated 2,000 pounds working load limit.
The zinc plated back support plate is for B-901 heavy duty tie down ring only. 6-1/2 inches square. Pre-drilled.
Per federal D.O.T. requirements, working load limit is 1/3 of the rated capacity.