Purpose of bedside cutout and nuts behind them?

[taintedsaint]

Does anyone know the purpose of the cutouts on the side of bed edge cap? Located on both sides of bed and if you run your fingers along the lip, there are two weld nuts behind each of them. Just noticed the nuts and can't figure what the reason could be.

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[wildtaco]

I think that's where my tonneau cover brackets are.

 

[Freems]

I think that's where my tonneau cover brackets are.

Ditto

 

[Y-Guy]

I can confirm that's exactly where the factory tonneau cover brackets are attached.

 

[taintedsaint]

Thanks to you both. Asked and answered.

 

[Dartboy]

IIRC, my aftermarket tonneau used the mounting point as well

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