Ellis Manufacturing Light-Duty Steel Construction Jack - Adjustable Screw Jack Post for Floor Leveling, Beams, and Concrete - 18,000 lb Load Capacity - 19"-27" Adjustment, House Jacks for Leveling
Condition: New
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30-day refund/replacement
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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Availability:
In Stock.
Arrives
Mar 17 – Mar 19
Size: 19" - 27"
Features
- Adjustable Screw Jack - Ideal for leveling floors, beams, and load-bearing tasks, this construction jack features patented thrust bearings for improved efficiency. Ideal for reinforcing slabs, decks, and more in residential and commercial settings.
- Safe Load Capacity - This screw jack supports up to 18,000 lbs, ensuring secure support for both temporary and long-term use. Made with high-strength steel, it maintains structural alignment with a 2.5/1 safety factor, for heavy-duty construction.
- Powerful Lifting - Featuring Ellis patented Lifting Nut Assembly, this jack post increases lifting capacity up to 10x for precise height adjustments. With durable steel construction and top plate, it supports floors, ceilings, and beams with ease.
- Specifications & Materials - Weight: 21 lbs, Adjustable Range: 19"-27", Safe Load Capacity: 18,000 lbs. Built with high-strength steel, a 3/8" thick top plate with pre-drilled holes, and a 2" Schedule 40 pipe for superior load-bearing durability.
- Trusted Quality - Since 1951, Ellis Manufacturing Co. has been a trusted leader in structural support solutions. Our leveling screw jacks are known for long-lasting performance and reliability, ensuring for residential and commercial projects.
Vehicle Service Type: Car
Material: High Carbon Steel
Load Capacity: 20000 Pounds
Maximum Lifting Height: 27 Inches
Brand: ELLIS
Load Capacity: 20000 Pounds
Maximum Lifting Height: 27 Inches
Brand: ELLIS
Color: Orange
Item dimensions L x W x H: 6 x 8.75 x 19 inches
Style: Adjustable
Manufacturer: ELLIS
Item Weight: 21 pounds
Product Dimensions: 6 x 8.75 x 19 inches
Manufacturer Part Number: STL-19
Date First Available: October 22, 2012
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Mar 17 – Mar 19
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Size: 37" - 61"
Replaced a non USA made spindle jack thought was holding only the stairs and landing but was also supporting part of the house. The old one was rusting away/ fell apart when removed and was under sized from a big box store. This support is a Cadillac, sturdy and easy to adjust with the screw. Well worth the money spent.
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Reviewed in the United States on June 8, 2024 by EP
Size: 61" - 85"
These are perfect! Not going to have to call anyone to lift the foundation
Reviewed in the United States on August 9, 2024 by Sheanne Wiegand
Size: 19" - 27"
Mo problem. Easy to install
Reviewed in the United States on August 19, 2025 by Ashley wagaman
Size: 23" - 35"
Replaced my support in crawlspace and very confident with it supporting properly, thanks
Reviewed in the United States on January 2, 2024 by James McDonald
Size: 13" - 17"
The delivery time was quick. The post are amazing for what I needed done. I confidently recommend this product
Reviewed in the United States on July 5, 2025 by Ashaan Scott
Size: 61" - 85"
Adjustable to the specs advertised. Easy to use, added wood spacers to keep unit on the lower end of adjustment. Happy with quality and ease of use.
Reviewed in the United States on May 15, 2023 by BHass
Size: 13" - 17"
I bought this to add a support in my crawlspace. I had a company come out and put some in and one of the ones they left was a hydraulic jack. I wanted something that was going to be sturdy and I didn't have to worry about hydraulic pressure leaking over time. This fit that bill. I have bought some others at local stores that were a pipe in a pipe. This one is much thicker pipe and having plates welded on each end made it more stable. The issue is that with load on the screw the handle will not turn. The handle bears directly on the bottom pipe and it creates a lot of friction. If I had enough flat space I would jack with the hydraulic jack and then tighten with this and ease the hydraulic jack down so this one is carrying the load. Unfortunately I don't have the flat space. So, not good for jacking, but seems to be a great product for a support.
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Reviewed in the United States on June 9, 2020 by B. Howell
Size: 13" - 17"
Plenty strong and easily adjusted to help level a house without worrying about shim stacking, etc.
Reviewed in the United States on October 3, 2024 by Larry