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Strong OX BLOX are the strongest trailer jack blocks on the market and are rated up to 10,000 lbs. Stable OX BLOX trailer jack blocks are stable on practically any surface: grass, gravel, dirt, or asphalt. Fits virtually all jacks OX BLOX trailer jack blocks are specially designed to fit your tongue jack, post jack, foot jack, scissor jack, and more. Stackable Get more height with OX BLOX OX BLOX are designed to stack on top of each other while still maintaining the same stability and strength. Even when stacked, OX BLOX are rated up to 10,000 lbs. Made in USA OX BLOX trailer jack blocks are designed and manufactured in the USA. Stackable Made in USA 10,000 lbs capacity 100% recycled plastic Supports virtually any jack OX BLOX Single Block OX BLOX 4-Pack OX BLOX 5-Pack MAXX Single Block OX BLOX & Rubber Pad Bundle Rubber Pads 4-pack Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Customer Reviews 4.8 out of 5 stars 1,819 4.6 out of 5 stars 127 4.8 out of 5 stars 1,819 4.8 out of 5 stars 167 5.0 out of 5 stars 6 4.7 out of 5 stars 137 Price $54.99$54.99 $49.99$49.99 $244.99$244.99 $54.99$54.99 $71.98$71.98 $59.99$59.99 Stackable ✓ ✓ ✓ ✓ ✓ ✓ Size 12"L x 9.4"W x 6"H 13.5"L x 13.5"W x 2.2"H 12"L x 9.4"W x 6"H 10.5"L x 10.5"W x 4"H 12"L x 9.4"W x 6"H 12"L x 12"W x 0.75"H 100% Recycled Material ✓ ✓ ✓ ✓ ✓ no data Made in USA ✓ ✓ ✓ ✓ ✓ no data RV/Trailer compatibility All tongue jacks, bumper pull trailer stabilizers, scissor jacks, horse trailers, boat trailers, utility trailers, wheels, posts Specifically designed for RVs with larger stabilizers. Works for Class A motorhomes All tongue jacks, bumper pull trailer stabilizers, scissor jacks, horse trailers, boat trailers, utility trailers, wheels, posts Designed specifically for 9" round feet found on 5th wheels and other RVs. Also works on tongue jacks, scissor jacks, posts. All tongue jacks, bumper pull trailer stabilizers, scissor jacks, horse trailers, boat trailers, utility trailers, wheels, posts Works with virtually any trailer or RV. Level wheels by driving up on pads. Place under jack blocks for extra height and stability.
Heavy Duty These leveling blocks for RVs are made from super strong and durable 100% recycled plastic, providing heavy duty support for your camper trailer RVs.
Versatility These trailer blocks are designed to fit a variety of jacks, such as RV tongue jacks, horse trailers, boat trailers and utility trailer jacks, making them versatile and convenient.
Makes leveling easier With these RV blocks for leveling, setting up your camper becomes a breeze. Simply place them under the jack and adjust as needed for a perfectly secure setup.
Made in USA Proudly made in America, these RV stabilizer blocks are crafted with quality and precision, ensuring reliability and longevity.
Patented Design OX BLOX trailer leveling blocks are designed by engineers in Utah to create a super stable, strong, and durable block. Patented US 11,673,440 B2.