Ellis Manufacturing Co. Shore Holder, 3/16" Steel Cup for Attaching Shores to 2x4 or 2x6 Joists, Secure with Duplex Nails, 2x4 Cup Type
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Returnable until Jan 31, 2026
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
Feb 9 – Feb 14
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Size: 4x4 Painted
Features
- HEAVY-DUTY LEVELING JACK FOR 4X4 POSTS - Designed to support up to 15,000 lbs, this steel screw jack stabilizes beams, levels joists, and reinforces crawl spaces. Built for demanding structural repairs, it offers strength, stability, and durability for residential and commercial applications.
- ADJUSTABLE & VERSATILE SUPPORT - Easily attaches to 4x4 nominal lumber with a 6-inch adjustment range for precise leveling. Functions like a lally column for structural reinforcement, making it ideal for trench shoring, construction, and foundation repair projects.
- SECURE & DURABLE CONSTRUCTION - Made from high-carbon steel with a corrosion-resistant finish, this 4x4 jack ensures long-term stability in extreme conditions. A built-in safety lock provides extra security, making it suitable for both permanent and temporary support.
- PRODUCT SPECS & MATERIALS - Weighs 12 lbs with a max load capacity of 15,000 lbs. Features a 6-inch adjustment range using a 1.25-inch Acme threaded screw, independent swivel base plates with 4-5/16" diameter holes, and a lock-set screw for stable, long-term support.
- TRUSTED QUALITY SINCE 1951 - Ellis Manufacturing Company has provided industry-leading structural support solutions for over 70 years. Renowned for durable construction materials and superior craftsmanship, Ellis is a trusted name in shoring and foundation repair.
Material: High Carbon Steel
Load Capacity: Up to 15,000 Pounds
Maximum Lifting Height: 20.5 Inches
Brand: ELLIS
Color: Orange
Is Discontinued By Manufacturer : No
Product Dimensions : 4 x 4 x 14.5 inches; 12 Pounds
Date First Available : October 16, 2012
Manufacturer : ELLIS
Best Sellers Rank: #155,464 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #257 in Industrial Floor Jacks
#257 in Industrial Floor Jacks:
Customer Reviews: 4.8 4.8 out of 5 stars (120)
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Feb 9 – Feb 14
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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Similar Products
Top Amazon Reviews
Size: 4x4 Painted
Exactly what was needed
Reviewed in the United States on June 22, 2025 by Young H. Blue
Size: 4x4 Painted
These are heavy duty jacks with welds through and screws that lift without hang ups. Even the paint is hardened. I’m using the jacks for temporary supports to make repairs to my house and safety was the most important factor during repairs. I purchased 2 sets and will purchase an additional pair as peace of mind is apparent!
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Reviewed in the United States on July 23, 2024 by Stephan
Size: 4x4 Painted
I used this jack to replace the posts on my front porch, very easy to use and very strong, might want to grease the threads before you use it and cut a short 2×4 for leverage. Well made, fits on a 4x4 nicely.
Reviewed in the United States on July 29, 2021 by Amazon Customer
Size: 4x4 Painted
I've been a professional remodeler for decades, but only discovered these a year or so ago. They are, without a doubt, one of the most useful tools I've ever bought. We keep 4 of them in the tool van and they come out all the time for shoring and light/medium structural jacking. You don't have to have 4x4's, just grab a couple 2x4's the length you need, screw them together and you are good to go. A 2-3' iron bar is good for turning the bottom (the one Jet sells to go with their screw jacks works well). No more trying to find steel jack posts, that only have a range of a few inches, the right size. No more endless cribbing - if you need another height, just cut another pair of 2x4's. I know, they are stamped made in China, but some good old American ingenuity designed these. They are not cheap junk. I have supported, moved, and straightened a lot of residential framing with these in a short amount of time. If you work on removing and modifying bearing walls (adding headers or beams), beefing up floor systems, rebuilding old porches, etc. YOU NEED THESE. Best thing for structural remodeling since the LVL.
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Reviewed in the United States on November 12, 2017 by Matt H
Size: 4x4 Galvanized
I bought an old house that is on a hill. It is supported with posts / beams with the posts resting on pier blocks. This summer I went through and replaced many of the pier blocks with diamond piers to stabilize the house and prevent it from sliding down the hill. I bought four of these screw jacks and can't be happier with how much easier they are to use than a car jack for this project. The stability of these screw jacks is amazing as one side slides into the screw jack and the other side can be nailed or screwed in place. I am really glad I purchased them for this project.
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Reviewed in the United States on September 21, 2020 by DUSTIN SMITH
Size: 4x4 Painted
I am using this shoring jack to replace my deck post (7 ft. on average) and cement pier blocks. First I tried a 10 ton bottle jack but found it too unstable. I use this Ellis shoring jack with an Ellis top bracket and 4x4's -- plenty of stability there. Two things I don't like about the shoring jack: (1) It will not accept full-size 4x4's -- I chisel out the waste wood I am using to jack with; and (2) I have to get down on the ground to raise and lower the jack using a short bar. Using a bar over a period of time will probably impact the lower jack threads as the bar is in contact with the threads while turning. The paint is oxidizing a bit since it has been exposed for a month to direct sunlight. I might also add that I screwed the jack to a 4x6 base for added stability and to keep it from sinking into the ground. Bottom line: It will lift and support a heavy deck.
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Reviewed in the United States on August 20, 2019 by Hutch1946
Size: 4x4 Painted
Great product. Best i found, I tried other brands, but not even close to workmanship Of Ellis
Reviewed in the United States on August 31, 2025 by rob
Size: 4x4 Painted
I had read that some of these devices that has been painted had tight screws due to that paint, and you should fully extend them before use. I was pleased to discover that the threads on this model were clean and well oiled and would fully extend with no resistance.
Reviewed in the United States on April 4, 2022 by Saeferth