- Stabilizes and levels recreational vehicles: Caravan Support Stand stabilizes, secures, and level your RV, camper, or travel trailer. Use on a single-axle trailer to help prevent tipping from uneven weight distribution; can also be placed under weak steps or in crawl spaces to stop floor creaks and rattles. For stabilizing only recreational vehicles; do not use to raise. - Extendable height: Adjust from 27 cm to 43 cm to fit your setup and achieve the correct height for your use. - Built to last: Each stand supports up to 900 kg. All components are made from aluminum alloy for maximum strength and long life, with corrosion resistance. - Package contents and total capacity: Four Caravan Support Stands included to support a total of 3600 kg. - Practical use scenarios: - On a single-axle trailer to counterbalance weight shifts and reduce tipping risk. - Under weak or wobbling steps to stabilize entry. - In crawl spaces to eliminate floor creaks and rattles and improve overall stability.