Get stands properly rated for the weight they will have to support. Be aware that they are generally sold in pairs. The ratings are based on the weight the pair of stands will hold, not one. So jack stands rated at 6 tons (12,000 pounds) is the rating for the pair. Each stand can hold 6,000 lbs.
Bob & Donna
'98 Gulf Stream Sun Voyager DP being pushed by a '00 Beetle TDI