1.3. If your storage container is not at the same height with the ground, you will need a lifting stand for containers. Simply insert the jack head into the bottom of the corner fittings of the container and then turn it over. Use a hydraulic jack (sold separately) to lift the container off the ground. You raise your container to the desired height and then place wedges or under your container to align it completely horizontally. 2.2. Easy to Use The container lifter is easy to install and use without the need for special knowledge. So you can solve the support problem of the container yourself without having to seek professional help. 3.1. Durable and robust The container accessories are made of quality steel carbon material and designed for durability. It is suitable for different working conditions and has a minimum test load of 51,500 PSI and an impressive tensile strength of 74,000 lbs.