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10 interlocking blocks rated at 40,000 lbs — build your perfect level
Last reviewed: March 2026
Set of 10 interlocking HDPE leveling blocks rated at 40,000 lbs. Stackable design lets you build to the exact height you need, up to 5 inches. Interlocking tabs keep the stack stable under load — no sliding or shifting.
At a glance
Why this product
Ten blocks gives you real flexibility. Stack them 2, 3, or 5 high depending on the site. The 40,000 lb rating and interlocking design mean they hold steady under heavy fifth wheels. At about a pound each, storage is easy. The only catch — you may want more than 10 if you run multiple jacks.
Detailed specs
| Leveling Type | Stackable Block |
| Weight Capacity | 18144 kg |
| Max Lift Height | 13 cm |
| RV Type Compatibility | travel_trailer, fifth_wheel, class_a, class_b, class_c |
| Interlocking | Yes |
| Pieces Per Set | 10 |
| Anti-Slip Surface | Yes |
| Storage Bag Included | No |
| Material | HDPE |
| UV Resistant | Yes |
| Freeze Resistant | Yes |
Best prices
| Retailer | Price | Status | |
|---|---|---|---|
| Amazon | Check price | Check availability | Check Price |
Disclosure: MyCargoRacks.com is reader-supported. When you buy through links on our site, we may earn an affiliate commission at no extra cost to you. Learn more
Disclosure: MyCargoRacks.com is reader-supported. When you buy through links on our site, we may earn an affiliate commission at no extra cost to you. Learn more
Price may vary. Prices and availability are subject to change.
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