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Title: A waste of money
Review: I bought these jacks thinking they would be helpful. I was installing new kitchen cabinets by myself. While the concewpt is a good idea, unfortunately these jacks just don't do the job. They are poorly designed and cheaply made mostly of plastic. The end plates are too small and the jack post fit is too sloppy. You end up with a very loose and tippy jack. The height adjustment is too coarse to be able to tweak cabinet height to a line. I ended up tossing the jacks and doing it the old fashioned way with a ledger strip.
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