What are the pros and cons of each option?

I guess the rounded one means the diameter of the hole in the wall should be very big, while no difficult affixing is required on the shelf, you just drill a rounded hole on the shelf and that's it.

With rectangular, it's the opposite. You can drill two small holes in the walls to install the bracket, but the shelf need to fit both the rounded pin and the rectangular shape of the bracket.

Am I right? What are your thoughts? I'm looking for something easy and budget friendly. already have the shelves which require drilling.

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  • 1
    +10 and some more points for you for providing photos
    – Ruskes
    Dec 7, 2022 at 22:09
  • The top bracket uses a pair of appropriate fasteners to attach it to the wall while spreading the load across a significant area on the face of the wall. The bottom appears to be designed specifically for insertion into a masonry wall, though it might suffice buried in a stud or other suitable blocking.
    – HABO
    Apr 7 at 3:15

1 Answer 1


The second option you show uses the pin as a lever to expand the mounting anchor. So you use the hex bar as a screw that hooks up in the wall. Rectangular option requires separate screws/anchors.

I guess the drawback of the second option (one round hole per peg) is that you can't fully control how deep the peg needs to go into the shelf. You might find yourself with a peg too long for those holes because anchor couldn't fully open up for some reason.

Image from Walmart website: walmart mounting item

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