Jack-Post Pro Series
Which post can handle the heaviest load? Go with the industry leader and make your choice the Pro Series Jack Post and rest assured your structure is stable. Videos are provided on how to install as well.

When you need a floor jack that can handle extra heavy loads, turn to the ones made by the market leader in tubular structural supports.
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11 gauge inside/outside high carbon steel tubes
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Heavy gauge steel plates
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Double carriage bolt design for added safety
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Corrosion-resistant coating inside & out
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Zinc-coated secure bolt/nut connectors
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Adjustment range from 4′ 8″ to 8′ 4″
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Temporary support for room additions & remodeling
projects, with the strength to support large appliances -
Easy to adjust, easy to install
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Can be used permanently as secondary support along
with the approved primary support

Self-Centering Plates
4” x 6” x .170” minimum thickness
Designed for heavy load areas, with added strength in every component:
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- 11 gauge inside/outside high carbon steel tubes
- Heavy gauge steel plates
- Double carriage bolt design for added safety
- Corrosion-resistant coating inside & out
- Zinc-coated secure bolt/nut connectors
- Adjustment range from 4’ 8” to 8’ 4”
PRO SERIES JACK POST
11 GA. | ADJUSTMENT RANGE | UPC | COMPRESSION LOAD RANGE* | WEIGHT | UNIT CUBE |
---|---|---|---|---|---|
J-PRO-100 | 4' 8" - 8' 4" / 56"-100" | 8-38956-00100-6 | 38,000 lbs. to 20,000 lbs. | 31 lbs. | 0.5 |
*Compression load is testing to the point of failure. Maximum loads are obtained at minimum extension. To determine safe or allowable loads, consult a licensed engineer.
Adjustable Floor Jacks

Note: Floor/Telescoping Jacks are for use in projects as temporary or additional support. Not intended for permanent, primary support. Our jacks are tools that can be used to make remodeling and repair projects easier and achieve a more professional result.