Silicon Specimen Supports

Marsoni

M251S

$372.55

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

Silicon Specimen SupportsPELCO Silicon Nitride Coated 3mm Disks (blanks) 21555 10 These 3mm silicon disks have a 50nm ultra low stress silicon nitride layer (Si3N4) on both sides and can be used as specimen disks for AFM applications which need a Si3N4 background. Provide smooth background: Surface roughness has RMS (Rg) of 0. 65 0. 06nm which gives a mean roughness (RA) of 0. 45 0. 02nm. Product Specifications Film thickness: 50nm ultra low stress Si3N4 on both sides Disc

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These are awesome shoes - look great really, really white and clean! Love how comfortable they are - and soooo light. I was a little worried they'd get dirty easily, but I've been able to keep them clean. Fit as expected. If you're looking for a great, comfortable, and affordable shoe, check these out!

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Reviewed in the United States on December 4, 2025

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Jeremy P

New York, US

★★★★★ 5

Great shoe, comfort

Size: 11.5, Color: British Tan/Ivry

Love these shoes, they're super comfy. Laces stayed tied all day. I wear them in a business casual environment, or if I'm going out for a nice meal with my wife. They look good, the color is unassuming and neutral. they also elevate my height, I feel like it gives me an inch or so more versus regular shoes. This is my second pair!

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Reviewed in the United States on May 30, 2026

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marcial ciprian

Omaha, US

★★★★★ 5

Good shoes

Size: 7, Color: British Tan/Ivry, Size: 7, Color: British Tan/Ivry

Look very nice these shoes, speally to go out to dinner with the family, are really light weight, great quelith, and great softness

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Reviewed in the United States on April 8, 2026

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