Trailer Jack Block 4 Pack - RV Leveling Blocks for Travel Trailers Wheels and Any Jack, 20,000 lbs RV Camper Leveling Blocks with Bag, Leveling Blocks Universal Compatibility & Convenient Storage

Newest Design Jack Block: Compared with other trailer jack blocks, we have upgraded it with more stable stacking, more convenient side holes and a structure that is not prone to water accumulation, making it more convenient for outdoor use. And our trailer leveling blocks is smaller in size and saves your space when stacked.. Sturdy RV Leveling Blocks: Hyfico RV jack block is made of high-quality HDPE material, non-toxic and tasteless, strong and corrosion-resistant, anti-ultraviolet, recyclable, which can ensure the stability of outdoor environment use. Supports up to 20,000 lbs per camper leveling blocks.. Versatility and multi-compatibility: Trailer jack blocks can help maintain stability on a variety of environmental surfaces: grass, gravel, dirt, or asphalt. Virtually eliminates all motion and sway in parked RVs and trailers.Supports nearly any scissor jacks,tongue jack, post, foot, or stabilizer.. Trailer Jack Block: Heavy-duty and durable jack blocks designed for RVs, trailers, and trucks. The load-bearing capacity is halved when stacked in two layers. Package includes: 4pcs jack block, 1 Bag.. After-sales service: Hyfico provides you with a 3-year warranty service. We have a professional RV accessories production base, 100% quality inspection before leaving the factory, if you have any questions, please feel free to contact us.