Pair of complete seat belt fitment rails.
In good sound condition, I bought these off Amazon 4x4 breakers on eBay a few years ago,

No rot on the rear braces that bolt to rear crossmember.

More photos available if required.

Sensible offers on these, none on the auction site so hard to work out a value, I guess they're worth what someone is willing to pay.

Collection from st10, near alton towers, or chapel en le frith (sk23) weekdays if that helps.