You will need DIN 582 spec for the Eye. I cannot find the DIN standard for the bolt but will look at work tomorrow.
I think they are M8 bolt and eye.
Adrian
Nick the parts manager at yeovil LR (look him up on the LR dealer website) does good work for people on the D3/RRS/FFRR sites, and probably Duckworths could get some. There are from very similar items on the scorpion racing website for Front Runner roofracks as well. Craig Steger-Lewis
2006 D3 Thailand Media Vehicle Stages 1 & 2
2004 D2 Landmark Auto (much missed already!)