451 fortwo models ONLY
451 Expansion Rivet, centre pin has T-top, twice length of the 450 types.
As if that trying to justify smart's price!
Used all over front end of 451 in panel assembly, also seen in 454 (and most of the merc range!)
If you want something to give a bit extra strong purchase, go for this, it fits in same hole as the other two types.
Price is for 3 in a bag