'92-96 Bronco Camper ('92-96 F4TB9850200A??) Steel Reinforcement
This plate is the forward end of the same cage that's visible at the bases of the C-pillars where the camper bolts to the bedwalls. It also contains the shoulder belt mounting points.
The riveted plate on the B-pillar is TSB 96-20-11.

The "DW" suffix on the PN is the color code for this flat medium mocha used from '94-96.