[A4] B5 Bumber bolt

[Jonathan]

Hi,
The two bolts that hold the bumper on my B5 have had their hex keyway  
stripped out. Pressumably by some mechanic whose knuckles drag along the 
ground.... I want to replace them for an impending aircon fix. I will need to 
get a bolt remover, which will completly stuff these bolts.
The thing is, I need new bolts, but can't remember their details to buy new 
ones before I remove the old ones, and I fdon't think the local cops would 
appreciate me driving down the the auto store without a bumper bar on cause I 
need to show him the blt I need.

Does anyone know the details for these bolts?

Thanks

Jon