E-SDS 4 Pack Trailer Jack Blocks RV Camper Leveling Blocks for Travel Trailer 5th Wheels, Fit for Any Tongue Jack, Pad, Post, Foot and Stabilizer, Trailer Tongue Jack Stand - RVB-4

• Strong & Durable: The trailer jack block tested up to 10,000 lbs. Made of 100% Recycled Plastic, the trailer stabilizer stand is UV resistant, extremely strong and durable. Multi-use: Our rv jack block is for motorhomes, trailers, RVs. It works with scissor jacks, post jacks, pad jacks, and more. Eliminates nearly all movement and sway in parked rv's and trailers (less stress on your trailer) Measurement: H:6.4", L:11.1", W:10.3" at base, (12" tall when double-stacked), recessed post-hole is 2.7" diameter. Top accommodates 9” round 5th wheels jack foot. Meet your different needs. New Upgraded: We have upgraded the internal structure and have a stronger load-bearing capacity, and the corner ridges keep the foot secure and stable, large load bearing area. This rv jack blocks designed with a recessed post hole that helps prevent post jacks from slipping. Easy to Use: Use this trailer tongue jack stand as a seat, simply align it with the overlanding gear, and you're ready to go! A set of 2 can be stacked for use if you need extra height.(Note: do not stack more than two pieces).