Up to 18,000 lbs Trailer Jack Blocks - 3-Pack Heavy Duty RV Pads

In this review the 3-pack of USA-made trailer jack blocks is judged as a practical, heavy duty solution for RV owners who need reliable footing. The bottom line: these bullke jack blocks are built to resist sinking and deliver a solid base when paired with flex pads, and their main draw is the high load rating of up to 18,000 lbs combined with a forged recycled-plastic construction. For anyone hauling trailers, campers, or fifth wheels who wants simple, stackable leveling and stabilizing pads made in the USA, this set deserves serious consideration.

Key Features

• Durable forged plastic: The blocks are made from recycled, forged plastic for extra strength and a sturdier footprint than typical injection molded pieces.
• High load capacity: When used with compatible flex pads they are rated to support up to 18,000 lbs, reducing risk of jack sinking on soft ground.
• UV resistant: Built to resist sun damage, these pads maintain strength and shape after outdoor exposure.
• Stackable design: The 10 x 10 x 4 in dimensions allow the blocks to be stacked to match variable terrain and jack height needs.
• Multi-use compatibility: They fit most trailer jacks, wheel jacks, camper stabilizers, and are suitable for motorhomes, boats, and pop-up campers.
• Made in the USA: Produced domestically from recycled materials with an emphasis on overbuilt construction and customer support.

Who It's For

These jack blocks are best for RV owners, trailer haulers, and outdoor enthusiasts who need a compact, sturdy solution to prevent jack sinking on soft ground or uneven campsites. The 3-pack suits users who want a balance between portability and enough height adjustment by stacking two or three blocks.

Those who require a precise leveling system with built-in height increments or an integrated chock may want to look elsewhere; likewise, customers who expect perfectly uniform surface finish should note the forged plastic process can produce slight surface variation.

Pros & Cons

Pros

• Strong load rating up to 18,000 lbs when used with flex pads, offering secure support for heavy trailers.
• Made from recycled, UV resistant forged plastic, improving longevity outdoors.
• Stackable 10 x 10 x 4 in design provides adaptable height for different terrain and jacks.
• Broad compatibility with most trailer jacks, wheel jacks, and stabilizers.

Cons

• Some users report occasional cracking or slipperiness under certain conditions, so care is needed on very uneven or oily surfaces.
• Surface variation from the forging process means appearance may not be as uniform as molded parts.

Specifications

Material	Recycled forged plastic
Made	USA
Pack count	3
Dimensions	10 x 10 x 4 in
Rated load	Up to 18,000 lbs (with flex pads)
UV resistance	Yes

Our Verdict

For mid to heavy duty trailer and RV owners the 3-pack of bullke jack blocks offers a durable, American-made footing solution that balances strength, portability, and versatility. They are good value for those who need reliable leveling and stabilizing pads and appreciate recycled, overbuilt construction; buyers should be mindful of surface variation and take care on slick or highly irregular ground.

Frequently Asked Questions

Are these blocks compatible with most trailer jacks?
Yes. The 10 x 10 in footprint and 4 in thickness are designed to fit most tongue jacks, foot plates, and stabilizers for trailers and RVs.

Can they really support 18,000 lbs?
They are rated up to 18,000 lbs when used with compatible flex pads for a secure footing; the forged plastic construction provides extra strength compared with standard molded pads.

Will they crack under heavy use?
Most users report solid build quality, but there are occasional reports of cracking or slipperiness in some conditions, so inspect regularly and avoid placing on very sharp or irregular surfaces.