RV Trailer Jack Block 2 Pack Up to 16000 Lbs - Stable Heavy Duty

In this review the Vacallity RV Trailer Jack Block 2 pack is judged as a practical, no-nonsense stabilizer for campers and trailers that need dependable footing without the weight or mess of wood. The single biggest reason to buy is its combination of durable HDPE construction and a 16000 lb load capacity, which together deliver stable, long-lasting support during overnight stops and longer storage. It is aimed at RV owners who want a portable, tool-free way to raise and stabilize jacks for 5th wheels, scissor jacks and tongue jacks.

Key Features

• High-quality HDPE: Durable plastic resists weather and rotting so the blocks remain reliable over many camping seasons.
• 16000 lb load capacity: Provides ample bearing strength for most travel trailers and 5th wheels in typical use.
• Versatile compatibility: Designed to fit scissor jacks, tongue jacks, leveling pads and wheel jacks, reducing the need for multiple support products.
• Stackable, anti-slip design: Blocks stack to add height with anti-slip features that keep the jack foot secure under load.
• No-tool installation: Tool-free setup and removal make these quick to use when arriving at a campsite or setting up for storage.
• Practical footprint: Top dimensions of 9.3 x 6.9 x 6.3 in with a smaller bottom to concentrate support where needed.

Who It's For

This pack is well suited to RV owners who want a lighter alternative to wood that still offers strong support for trailer stabilizing and jack feet. It works particularly well for those who switch campsites often and need an easy, tool-free solution to level and steady a trailer.

Less appropriate for users who require custom-shaped pads for nonstandard jack heads or those who need an ultra-wide base on soft ground without additional accessories; consider wider or ground-specific pads if you frequently park on unstable soil.

Pros & Cons

Pros

• Sturdy HDPE build that withstands outdoor exposure better than untreated wood.
• High 16000 lb capacity gives confidence under load for most trailers.
• Lightweight and portable, making transport and storage simple compared with heavy wooden blocks.
• Wide top surface accommodates a range of jack types for versatile use.

Cons

• Stacked height increases by a small folded height, so precise leveling may require planning.
• Smaller bottom footprint may need additional support on very soft or uneven ground.

Specifications

Material	High-density polyethylene (HDPE)
Pack	2 pieces
Load capacity	Up to 16000 lb
Top dimensions	9.3 x 6.9 x 6.3 in
Bottom dimensions	4.7 x 3.2 in
Compatibility	Scissor jacks, tongue jacks, wheel jacks, stabilizers

Our Verdict

The Vacallity RV Trailer Jack Block 2 pack is a sensible, cost-effective choice for RV owners who want durable, weather-resistant support without heavy wood. With a high load rating, stackable anti-slip design and broad compatibility, it covers most stabilization needs and represents good value for campers who prioritize portability and long-term durability.

Frequently Asked Questions

Can these blocks handle a 5th wheel jack?
Yes, the blocks are rated up to 16000 lb and are intended to support 5th wheel jack feet when used according to their stacking guidance.

Are they easy to carry and store?
Yes, the HDPE construction keeps them lightweight and they fit into typical RV storage compartments for easy transport.

Will they slip on wet or uneven ground?
The anti-slip design improves stability, but on very soft or uneven ground additional support or a wider base may be needed.