Salahii 6in Trailer Jack Block — Heavy-Duty Stackable RV Leveling Block, 40,000 lb Capacity

Salahii 6" Height Trailer Jack Block is a heavy-duty, stackable RV leveling and stabilizing block engineered to support up to 40,000 lbs and prevent jack sinking or wobble on uneven ground.

When you park a travel trailer, fifth wheel, or camper, the jack foot needs a stable, weatherproof platform — especially on soft soil, gravel, or rutted surfaces. This single-pack Salahii block is made from injection-molded HDPE for UV and water resistance, has a lockable stacking design to achieve greater height, and includes built-in handling and drainage features so it’s ready for long-term outdoor use.

How does the block stop jack sinking and stabilize my RV?

The block spreads the load from a tongue or scissor jack across a larger, firmer surface area so the jack foot won’t dig into soft ground. Its reinforced injection-molded HDPE construction maintains shape under heavy loads while the anti-slip profile prevents shifting.

• Supports up to 40,000 lbs per block in rated conditions
• Large contact area reduces ground pressure and sinking
• Textured top and locking stack interface for secure placement

Can I stack these to reach the height I need?

Yes — each block is 6 inches tall and designed to lock securely with additional units, so you can build a stable column without movement. The stacking system keeps load-bearing alignment so height adjustments are reliable during setup.

• 6-inch height per block for predictable increments
• Interlocking geometry prevents lateral shift when stacked
• Remains load-bearing and stable under stacked loads

Will it fit my trailer jack or stabilizer foot?

The Salahii block features a universal recess and flat top suitable for a variety of jack feet, scissor jacks, post feet, and stabilizer pads. Its dimensions and profile work with most travel trailer and fifth-wheel jacks for a broad fit range.

• Compatible with tongue jacks, scissor jacks, and post feet
• Flat, reinforced top accepts different jack shapes securely
• Works with both campers and utility trailers

How does it hold up outdoors and for storage?

Constructed from durable HDPE using injection molding, the block resists UV degradation and moisture so it can remain outdoors season after season. Built-in handles and center drainage make carrying and compact storage convenient while avoiding water pooling.

• UV-stable HDPE construction for long outdoor life
• Side handle openings and rope-friendly grips for transport
• Center drainage holes prevent standing water and freeze damage

Who is this for? The Salahii 6" Trailer Jack Block is aimed at RV owners, weekend campers, and professional haulers who need a rugged, portable solution to stabilize jacks and prevent sinking on soft or uneven surfaces. It’s ideal for anyone who wants a reliable, stackable leveling option that’s easy to carry, stores compactly, and performs in all weather without corroding or cracking.

If you need to increase or secure jack height, protect jack feet from damage, or create a consistent, heavy-duty platform for your trailer while parked, this block offers a practical, long-lasting tool to add to your towing kit.