Double Jacks Stand used for vehcile rescue in flood in progress!

There are two jacks inside of the jack kit. The fist jack lift the car up to 500mm, then the second jack lift the car up to 760mm. 

Here is a photo for the testing.

The start level of jack is 130mm, so the jack can go into most of vehicle

The weight of Double Jacks is reduced to 11kg.