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4.7 ★★★★★
Based on 25 reviews
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Product Reviews
★★★★★ 5
Excellent leveling blocks for our (heavy) Sprinter van
Size: 10.5' x 10.5", Color: Gray, Size: 10.5' x 10.5", Color: Gray
This review is for the FasTen XL 10 pack (10.5" × 10.5", 10 ea.).
We have a 2024 AWD Sprinter van that's been fully converted to a Class B camper. Fully loaded, the van weighs ~ 8,650 lbs, and sits on 265-mm-wide (10.4-inches wide) BF Goodrich AT KO2 tires. The width of the tires were a driving factor in deciding to purchase the XL-sized blocks instead of the standard blocks. In addition, each wheel carries more than a ton of weight, especially in the rear. To be honest, I had my doubts about how well these plastic blocks would stand up to such loads.
I am happy to report that after three weeks of daily use on both dirt and paved surfaces, these blocks have performed very well, showing no signs of cracking or deforming. While in use, the blocks sometimes appear to be bent (and possibly they are, but this could also be an illusion). Nonetheless, when stowing them, the blocks are perfectly flat and stack nicely for easy storage in the van's equipment box. Just knock off the dirt and pebbles, stack them up using the convenient handle, and you're ready to go.
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Reviewed in the United States on September 2, 2025
★★★★★ 5
A Game-Changer for RVers - Camco Fasten XL 2x2 Leveling Block!
Size: 10.5' x 10.5", Color: Gray
As an avid RVer, I can't emphasize enough how the Camco Fasten XL 2x2 Leveling Block has transformed my RVing experience. These leveling blocks are an absolute game-changer, and here's why:
Interlocking Design: The interlocking design is ingenious. It allows for effortless customization of the height needed to level my RV, no matter the terrain. These blocks securely fasten together, creating a solid foundation, and there's no need to worry about them shifting or slipping.
Stability and Durability: These blocks are incredibly sturdy. They can handle the weight of my RV without flexing or cracking. Even on uneven surfaces, they provide a stable platform, ensuring my RV stays level and secure.
Convenience: The Camco Fasten XL blocks are a breeze to use. I appreciate that they come with a built-in handle for easy transportation and storage. Setting them up is quick, saving me time and effort when I arrive at a new campsite.
Versatility: They're not limited to leveling alone. I've also used them to support my RV's stabilizer jacks, making them versatile tools for various aspects of RV setup.
Quality Build: These blocks are built to last. They can withstand the rigors of outdoor use and are resistant to UV damage. I'm confident that they'll serve me well for many RVing adventures to come.
In summary, the Camco Fasten XL 2x2 Leveling Block is an absolute must-have for RVers. They make leveling and stabilizing an RV a breeze and offer peace of mind in any terrain. These blocks have significantly improved my camping experience, and I highly recommend them to fellow RV enthusiasts.
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Reviewed in the United States on November 7, 2023
★★★★★ 5
Excellent set of leveling blocks
Size: 8.5" x 8.5", Color: Yellow
These leveling blocks work very well for our Airstream interstate 19. They pack very compactly and seem to stay in place when we are upon them. I would recommend they be purchased if you need a set of leveling box
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Reviewed in the United States on May 19, 2026
★★★★★ 5
Good block, nice package.
Size: 17" x 8.5", Color: Yellow
Decent device to level the RV.
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Reviewed in the United States on April 9, 2026
★★★★★ 4
Leveling blocks
Size: 8.5" x 8.5", Color: Yellow
I used these on my first RV camping trip. I was on a not very level site and these worked well to level my camper. They worked so well I ordered another set. The handle is great at keeping the blocks together.
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Reviewed in the United States on October 23, 2024