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I just moved into my first house and I'm wondering how much load these plastic things (shown in picture) can hold. Each cabinet shelf is held up by four of these things.

Watching diy videos online, I'm convinced that the cabinets themselves can withstand a decent amount of hold. Wondering if these plastic things can, too.

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  • you can get metal peg replacements cheap on amazon if the plastic isn't enough.
    – dandavis
    Feb 27 '20 at 19:22
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If they are like mine I would say over 100 lbs the pin is very strong, I have found the particle board to crumble or shelf break before the pin gave way , the ones that hold in place with the clips are great as they cannot fall out. There should be 4 pins 2 in each side.

Is that shelf in backwards? Mine the front of the shelf has a piece of laminate over the particle board.

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  • thanks! I added a close up of the pin itself. Upon close up inspection, do you think they're similar to yours? Re the shelf, it's not backwards. It's sort of laminated on that end, it's just not in the best of shapes.
    – David
    Feb 26 '20 at 22:48
  • Unless there's an extra support in the middle, or these are very narrow shelves, what you need to worry about is the shelf bending in the middle; particle board isn't that sturdy. Feb 26 '20 at 23:20
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    I've got 30"wide shelves that use those exact clips and are loaded with books and stereo stuff ..... never have had a problem..... +
    – JACK
    Feb 26 '20 at 23:51
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    I have cabinet in my pantry with the clear clips, I did update the shelf to 3/4 plywood because the shelf loaded with 1 quart glass jars full 2 high is probably close to 100 lbs and the shelves were starting to bow. These clips are great because they are trapped by the shelf they hold better than the metal pins that fall out. As long as the shelf doesn’t bow the shelf holds the pin in place I would bet they would hold more but the shelf even plywood starts to bow. I think my cabinet that has these is the same as jack has about 30” I should remember as I made 4 shelves for it.
    – Ed Beal
    Feb 27 '20 at 0:39
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    Adding to the comments/answer - the shelves need to fit tight in the cabinet for these pins to give the best results. If for some reason you had a shelf that was 1/4" too short, the shelf could wobble back and forth and in turn wiggle the pins. As long as the shelves are original, you should be fine. If you ever need a replacement shelf make sure it fits as good as possible.
    – JPhi1618
    Feb 27 '20 at 15:53

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