Jack Stands And Curb Weight

[itpesaf]

Hey guys - I bought a pair of jack stands last night stupidly without google'ing the curb weight of the v35 or anything..

http://www.supercheapauto.com.au/online-store/products/SCA-Car-Stands-Pin-Type-Pair-1200Kg.aspx?pid=203781#Description

Those are the jack stands I bought - I found out that the curb weight of the v35 is ~1500kg. Does this mean I cannot use these stands as they have a capacity of 1200kg? is the 1200kg for a single jack stand or for the pair?

I know that the whole weight of the car won't be rested on a single jack stand and even when I have the two jack stands under the car the whole weight won't be loaded onto them, but I cannot seem to find info on the safe way to use the jack stands online, and I can't read the manual. And I found out the jack I have for my v35 is rated at 900kg?!?!?

Sorry if this is a n00b question - its just stressing me out a little.

[Kolossus]

That's per stand, also if you are using one stand for one corner of a car its like lifting a quarter of the weight making a 900kg jack perfectly acceptable for lifting a quarter of a 1500kg car (obviously its not exactly a quarter but just to give you an idea of how it works)