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- USA
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Ships within 48 hours · Estimated delivery Jul 1 - Jul 6
For Your Every Summer RSVP, with Code: SUMMER15
Description
Marshall Stamping Jack Posts 4’8” to 8’4” RedExtend O Posts are perfect for temporarily reinforcing existing floors under heavy load areas, but are not recommended for permanent supports in new construction. Theres nothing easier to use for supporting sagging floors, weak beams, and warping stairways. With Extend O Posts the possibilities are unlimited. Various load capacities; 8,000 lbs to 18,000 lbs* Flow coated with red corrosion resistant paint Packed complete with installation instructions

Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.9 ★★★★★
Based on 1713 reviews
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Product Reviews
★★★★★ 5
Works great and fits well
Size: 50-Foot, Style: 90° Locking End
No issues. Not sure why people people.cmaim it doesn't seat...its does.and works great. Im in a desert environment in Nevada and it is putting up with the heat well.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 8, 2026
★★★★★ 5
It works well
Size: 25-Foot, Style: 90° Locking End
This is a great product
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 31, 2026
★★★★★ 5
Works great.
Size: 25-Foot, Style: 90° Locking End
Perfect for our camper.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 11, 2026
★★★★★ 5
Flexible and heavy duty
Size: 50-Foot, Style: 90° Locking End
Seems to be a good heavy cord
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 19, 2026
★★★★★ 4
Grate price
Size: 50-Foot, Style: 90° Locking End
Great quality for the price
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 28, 2024
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