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Your cart is empty.Using the patent pending JACK STACK assists in centering the typical 4x4 jacking post over a bottle jack. The JACK STACK sits on top of your bottle jack saddle, and the screws are adjusted to center the JACK STACK and jacking post above directly over the bottle jack. Lifting with an off-centered jacking assembly will easily tip as load increases. JACK STACK is added convenience in keeping your post centered over your jack as well as distributing the load over the bottom of the post. It accommodates up to a 2” jack saddle (head) and 3-5/8” jacking post. Most 4"x4" posts are 3-1/2", but please ensure your jack and your favorite jacking post fit before ordering. Neither bottle jack nor post is included.
Ray
2025-09-02 12:36:02
This product is a perfect way of not having the jack dig into the wood. It also helps keep a 2x4 cut to the size of the tool laying flat, from splitting.
Amanda
2025-08-11 16:38:24
I bought the Bottle Jack Adapter for our home projects, and it’s been a fantastic addition! My husband has been tackling a lot of construction work lately, and this tool has made lifting and stabilizing posts so much easier for him.The quality is impressive—sturdy and well-made. It fits our bottle jack perfectly, giving him the stability he needs to work efficiently. I’ve seen him tackle tasks that would have been a struggle without it, and he’s even finished projects ahead of schedule!He’s been raving about how much time and effort it saves him, and I love seeing him so satisfied with his work. If you’re into DIY or construction, I highly recommend this adapter plate. It’s been a real game-changer for us!
Fitness Guru
2025-08-06 15:50:03
It’s keeps the post stable and secure as long as you make sure and use your level and have your bottle jack level and the post you’re pushing level with the jack. I’m glad I ran across this because I’ve tried jacking a 4 x 4 off the top of a bottle jack and all it did was kept kicking out from underneath the post. If you think it’s overpriced don’t buy it and go buy a welding machine and steel and make your own or get one made for 3 times the price by a welding shop.
Mike Sapington
2025-07-30 13:32:50
I used this jack adapter along with some 4x4 post to raise and level my floor joist from the basement. It worked out perfectly, and I returned the 4x4 when I finished ;) Well worth the small investment! A++
Placeholder
2025-06-13 11:39:08
Overpriced
Bruce
2025-04-26 13:51:15
This product was perfect! I have an old home from the 1800s that needed the floors leveled and some foundation work. I initially was just using 4 x 4s Balanced on the small head of a bottle jack. Set up was not ideal and easily kicked out if things weren’t perfectly plumb. I found these adapters that fit perfectly on the bottle jack and secure the 4 x 4 in place. It made my project 1000 times safer. I liked it so much. I ordered six of them.
Dane
2025-04-04 15:28:48
Very sturdy. Gives peace of mind that the jack isn't going to slip while re-leveling structures
pickle
2025-01-10 13:47:56
Just fantastic. This little adapter made a world of difference. No more cracking sounds or fear of the post slipping off the jack. Not cheap but worth every penny.
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