RV Slide Out Support Jacks with Flat Top Block, Set of 2 Trailer Stabilizers

In original packaging item, may require some assembly. See link for more details:

For Travel Camper RV Height Adjustable from 11" to 23", Heavy Duty Quick Lift Stabilizer up to 5000 lbs Capacity,

https://www.amazon.com/BuyGoe-Stabilizer-Capacity-Stabilizers-Adjustable/dp/B0D95JCTB9/ref=sr_1_1