TGX Series

Marsoni

M251S

$737.10

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

TGX SeriesAFM grating with undercut edge structures anisotropically etched in silicon The silicon calibration grating from the TGX series is an array of square holes with sharp undercut edges formed by anisotropic etching along the (111) crystallographic planes of silicon. The typical radius of the edges is less than 5nm. SEM image of a TGX grating SEM image of the TGX surface structures Schematic of the TGX grating structures Part number Pitch Accuracy Edge

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I'd give 4 1/2 if there was one. The shelves thwmself are nice I just don't like the visible little black set screws. The shelves themself look great and are not wobbly at all if you install correctly. I purposely installed the bracket upside down because of the little black setting screws; I didnt want them showing because the shelves are above eye level and the screws are black and I didn't want them showing. But that made the shelf lean amd wobbly so I turned them back over the way they are supposed to be and that made them level and sturdy. I guess I'll paint the little screws.

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Reviewed in the United States on January 21, 2026

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Vlad

Fort Morgan, US

★★★★★ 5

Highly recommend

Size: 40 Inch, Color: Black, Number of Items: 2

Very good quality, beautiful design, sturdy and reliable. It was super easy to install

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Reviewed in the United States on May 3, 2026

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Linda MacEachern

Fort Morgan, US

★★★★★ 5

Nice Shelving!

Size: 48 Inch, Color: Black, Number of Items: 2

Shelves were easy to install and look classy on the wall. A good buy for the money.

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Reviewed in the United States on April 16, 2026

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Nobodies Fool

Los Angeles, US

★★★★★ 4

Did its job for moderate weight items.

Size: 40 Inch, Color: Black, Number of Items: 1

Easy install, a little expensive for its construction. Nice appearance however, flexes under moderate weight not for heavy items.

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Reviewed in the United States on April 6, 2026

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Ramon

Lowell, US

★★★★★ 5

Great addition!

Size: 40 Inch, Color: Rustic Brown, Number of Items: 1

Floating shelf was super easy to install and is a great addition above my window in my office. I used it to put some display pieces my wife wouldn’t allow me to put over our mantle. Very sturdy and looks great!

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Reviewed in the United States on August 17, 2025