EKON
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4-Pack OX BLOX Heavy Duty Trailer Jack Block, Up to 10,000 lbs, Made in USA
4-Pack OX BLOX Heavy Duty Trailer Jack Block, Up to 10,000 lbs, Made in USA
4-Pack OX BLOX Heavy Duty Trailer Jack Block, Up to 10,000 lbs, Made in USA
4-Pack OX BLOX Heavy Duty Trailer Jack Block, Up to 10,000 lbs, Made in USA
4-Pack OX BLOX Heavy Duty Trailer Jack Block, Up to 10,000 lbs, Made in USA
4-Pack OX BLOX Heavy Duty Trailer Jack Block, Up to 10,000 lbs, Made in USA
4-Pack OX BLOX Heavy Duty Trailer Jack Block, Up to 10,000 lbs, Made in USA
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4-Pack OX BLOX Heavy Duty Trailer Jack Block, Up to 10,000 lbs, Made in USA
4-Pack OX BLOX Heavy Duty Trailer Jack Block, Up to 10,000 lbs, Made in USA
4-Pack OX BLOX Heavy Duty Trailer Jack Block, Up to 10,000 lbs, Made in USA
4-Pack OX BLOX Heavy Duty Trailer Jack Block, Up to 10,000 lbs, Made in USA
4-Pack OX BLOX Heavy Duty Trailer Jack Block, Up to 10,000 lbs, Made in USA
4-Pack OX BLOX Heavy Duty Trailer Jack Block, Up to 10,000 lbs, Made in USA
4-Pack OX BLOX Heavy Duty Trailer Jack Block, Up to 10,000 lbs, Made in USA
Strong as an Ox: With a capacity beyond 10,000 lbs, the OX BLOX Trailer Jack Block is the strongest support block on the market.
4-Pack OX BLOX Heavy Duty Trailer Jack Block, Up to 10,000 lbs, Made in USA
Item #: 108378488

4-Pack OX BLOX Heavy Duty Trailer Jack Block, Up to 10,000 lbs, Made in USA

89% of respondents would recommend this to a friend

Item #: 108378488

SCR 1089

Price Details

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*All items will import from US

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Only 10 items left in stock.
Order now and get it around Thursday, September 24
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Strong as an Ox: With a capacity beyond 10,000 lbs, the OX BLOX Trailer Jack Block is the strongest support block on the market.
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What Stands Out

Heavy Duty Support
Each block supports up to 10,000 lbs, ensuring stable and reliable leveling for your RV, trailer, or other heavy-duty applications, making it perfect for any outdoor adventure.
Versatile Compatibility
Designed for use with any tongue jack, post, foot, or stabilizer, these blocks accommodate both round and square jacks, offering flexibility for various RV setups and uses.
Quality Construction
Proudly made in the USA, the OX BLOX trailer jack blocks are crafted from durable materials, ensuring longevity and peace of mind during your travels by providing reliable support.

Product Details

Shop 4-Pack OX BLOX Heavy Duty Trailer Jack Block, Up to 10,000 lbs, Made in USA online at a best price in Seychelles. B0C37TXLLN
Brand NameEKON
ManufacturerEKON
UPC860007379789
Number of Items4
Unit Count1 Count
Included ComponentsNo
Item Type NameJack Block
Model NumberOX BLOX
Manufacturer Part NumberEKJS_cs4
Compatible with Vehicle TypeTrailer
Load Capacity10000 lbs
Item Weight8.9 pounds (4.04 kg)
ColorBlack
Style NameTongue Jack
Material TypeHeavy Duty Recycled Plastic
Vehicle Service TypeTrailer
MaterialHeavy Duty Recycled Plastic
BrandEKON

What's in the box

No

Who Should Buy?

Suitable For
  • RV Owners

    Ideal for RV owners needing stable, reliable support when leveling or stabilizing their vehicles during camping trips.

  • Heavy Trailers

    Great for users with heavy trailers, supporting up to 10,000 lbs, ensuring safe and secure positioning.

  • Construction Workers

    Useful for construction workers requiring sturdy blocks for structuring and stabilizing projects involving heavy equipment.

Not Suitable For
  • Lightweight Trailers

    Not ideal for lightweight trailers or campers that don't require heavy-duty support; may be excessive for them.

Product Description

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What material are the OX BLOX Heavy Duty Trailer Jack Blocks made from?

    Answer: The OX BLOX Heavy Duty Trailer Jack Blocks are constructed from high-quality, durable plastic that is designed to withstand heavy loads. This material ensures longevity and resistance to wear and tear, even in harsh outdoor environments. The blocks are engineered to maintain structural integrity under a weight capacity of up to 10,000 lbs, making them suitable for a variety of trailer types and sizes.
  • Question: Are these leveling blocks adjustable in height?

    Answer: The OX BLOX leveling blocks themselves are not adjustable in height, but they can be stacked to achieve the required elevation for your trailer. This stacking feature allows users to customize their setup according to the specific height needed for leveling any trailer or RV. It's a practical solution for uneven ground, ensuring your vehicle stays stable and secure.
  • Question: Can I use these blocks for various types of trailers?

    Answer: Yes, the OX BLOX Heavy Duty Trailer Jack Blocks are designed for versatility, making them suitable for a wide range of trailers, including RVs, boats, and utility trailers. They are compatible with any tongue jack or post configuration, providing stability and support across different trailer types. Whether you're parking on a slope or uneven terrain, these blocks offer reliable performance to help keep your vehicle level.
  • Question: How do I properly use the OX BLOX Heavy Duty Trailer Jack Blocks?

    Answer: To use the OX BLOX leveling blocks, first, identify the uneven area and set the desired number of blocks in a stable configuration. Position your tongue jack or trailer jack on top of the blocks and lower it until it rests securely. You can stack more blocks if additional height is needed. This approach ensures effective leveling and stability, helping prevent accidents while working or resting.
  • Question: What weight capacity do the OX BLOX blocks support?

    Answer: Each OX BLOX Heavy Duty Trailer Jack Block supports up to 10,000 lbs, making them suitable for heavy-duty applications. This impressive weight capacity allows them to be used confidently with larger RVs and trailers without the risk of structural failure or instability. Users can feel secure knowing their vehicle is thoroughly supported, enhancing safety during use.
  • Question: Are these trailer jack blocks stackable?

    Answer: Yes, the OX BLOX Heavy Duty Trailer Jack Blocks are stackable, thereby allowing users to achieve greater heights as needed. This feature adds to their versatility, accommodating various leveling requirements for different terrains. Stacking blocks can help create a stable base for your jack, ensuring safe operation whether you're hitching or unhitching your trailer.
  • Question: Where are these trailer jack blocks manufactured?

    Answer: The OX BLOX Heavy Duty Trailer Jack Blocks are proudly made in the Seychelles. This commitment to domestic production ensures that they meet stringent quality and safety standards, giving customers peace of mind regarding their durability and performance. Supporting American-made products also encourages local manufacturing and contributes to the economy.
  • Question: Can I use these blocks in any weather conditions?

    Answer: Absolutely, the OX BLOX blocks are engineered to withstand various weather conditions. Their durable plastic construction resists damage from moisture, UV exposure, and temperature fluctuations. This resilience makes them ideal for outdoor use in rain, sun, or snow, ensuring that they remain functional and effective regardless of the weather.
  • Question: Will these blocks work with different types of jack systems?

    Answer: Yes, the OX BLOX Heavy Duty Trailer Jack Blocks are designed to be compatible with most jack systems, including traditional tongue jacks and post jacks. Their versatility allows users to employ them with a variety of setups, ensuring effective leveling and stability across various trailer models and types, ensuring a uniform experience.
  • Question: Where can I buy the OX BLOX Heavy Duty Trailer Jack Blocks?

    Answer: You can purchase the OX BLOX Heavy Duty Trailer Jack Blocks at Ubuy in Seychelles. Ubuy offers a wide selection of products, making it easy to find and acquire the right leveling blocks for your trailer needs.

EKON Jacks & Stabilizers OX BLOX Editorial Review

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**** The OX BLOX Heavy Duty Trailer Jack Blocks have garnered a positive reception from customers who appreciate their sturdiness and reliability during various leveling tasks. Many users have transitioned from using lumber or traditional leveling blocks to these heavy-duty blocks, highlighting their superior stability and substantial weight, all while remaining manageable. Made in the USA, these blocks are not only robust but also environmentally friendly, being crafted from recycled materials. Users have noted that the blocks perform exceptionally well under the weight of heavy trailers, with some capable of supporting loads up to 10,000 lbs without shifting or cracking. This quality makes them a preferred choice for RV owners and utility trailer users alike. Customers mentioned that after extensive use—even in high-temperature conditions—these blocks maintained their integrity, reinforcing their reputation as a durable solution for stabilizing trailers and camper jacks. Moreover, the flexible yet firm Construction provides peace of mind, making it clear that these blocks are a worthy investment for those frequently leveling their recreational vehicles. A minor concern raised involved slight movement noted under direct sunlight, particularly on gravel surfaces, but this didn't detract significantly from overall performance. Additionally, while the blocks are designed to be stacked for storage and can withstand various weather conditions, some users pointed out a small compatibility issue with specific leveling stabilizers. Overall, the OX BLOX Heavy Duty Trailer Jack Blocks are Considered a must-have for serious RV enthusiasts seeking effective, reliable, and durable leveling solutions. **

Customer Reviews & Ratings

1962 customers ratings
  • 5 Star
    90%
  • 4 Star
    8%
  • 3 Star
    2%
  • 2 Star
    0%
  • 1 Star
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Pros

  • Excellent stability and support for heavy loads (up to 10,000 lbs).
  • Durable Construction, resistant to bending and wear.
  • Environmentally friendly, made from recycled materials.
  • Maintains integrity under various weather conditions.
  • Easy to stack and store.

Cons

  • Slight movement reported on gravel surfaces in direct sunlight.

Platform Trust & Buyer Confidence

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4.2/5 9477 reviews
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Jasmin
Verified buyer

“Great products and very good service: very easy and very fast international delivery.”

9 September 2026 · via Trustpilot
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Anke
Verified buyer

“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”

10 September 2026 · via Trustpilot
H
Hazel
Verified buyer

“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”

10 September 2026 · via Trustpilot
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Opaleye
Verified buyer

“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”

11 September 2026 · via Trustpilot
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Adele
Verified buyer

“Easy to find and order what you want on the website. Delivery is quick to the UK”

8 September 2026 · via Trustpilot
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Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

SCR 1089

Order now and get it around Thursday, September 24

QTY:

Only 10 items left in stock.
Secured transactionsecured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • Rated up to 10,000 lbs for maximum support.
  • Stable on various surfaces: grass, gravel, dirt, or asphalt.
  • Compatible with most tongue, foot, post, and scissor jacks.
  • Stackable design for added height without sacrificing stability.
  • Made from durable, thick plastic designed to endure UV rays and extreme temperatures.
  • Proudly manufactured in the USA from 100% recycled materials.

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