Mongoose® - 9" Locking Slide Arm with 3/8" Stud

Marsoni

M251S

$259.20

Get it in 3 business days with 1 day shipping. Friday, May 29

Mongoose® - 9" Locking Slide Arm with 3/8" StudUS Patent Number 8,511,629 PLACEMENT Any upper tube, complete pole, low profile brackets, center pole or directly to any flat surface MOTION ATTACHMENT INCLUDED No ROTATES Entire arm 360 degrees can lock at every 15 degrees SPECS Height: 4. 0 in 10. 2 cm Width: 4. 0 in 10. 2 cm Depth: 12. 0 in 30. 5 cm FEATURES Design is protected by US Patent Number 8,511,629 The entire arm can rotate around 360 degrees with locking points at every 15 degrees To

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Although the wood quality and finish of the shelf are clean and well-made, the main issue is that the shelves begin to sag over time while holding around 10 pounds, even though the product listing claims they can support up to 20 pounds. They may perform better on a brick wall, but on drywall you should be cautious. To fix the problem, I had to purchase floating shelf brackets for support, which solved the sagging issue. However, this defeats the purpose of the “floating” aesthetic. Since the shelf is in my bedroom, I can overlook it, but I personally wouldn’t install these in a common area if I wanted a clean floating look.

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Reviewed in the United States on May 27, 2026

Verified Purchase

Grantham, US

★★★★★ 5

Love this

Color: Rustic Brown, Number Of Shelves: 4, Size: 15.7in

Love these shelves so easy to put up so beautifully made and really enjoy the way they set on my wall very sturdy also!

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Reviewed in the United States on May 21, 2026

Verified Purchase

Jason

Waukegan, US

★★★★★ 5

Looks nice, easy to install

Color: Rustic Brown, Number Of Shelves: 2, Size: 22in

This shelf is lightweight, looks nice, and was easy to install. It comes with a little level to help you install it properly. There are plenty of mounting holes to choose from, so it is easy to screw it directly into a stud, or to just use holes that are convenient for you. It comes with a plethora of mounting hardware. I mounted mine a bit high up and chose to mount it upside down so that I wouldn't see the three screws that hold the shelf to the mounting bracket.

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Reviewed in the United States on April 8, 2026