• M6 Thread Style, 16mm long. Square cage nut designed for racks and cabinets with square holes, Mounting your standard rack mountable equipment into a server rack or cabinet
• Made of top quality carbon steel, black nikel plated. it will not rust in 15 years, Nikel is a vital element to make stainless steel, Unlike Zinc powder coated screw and cage nut, our paint will not peeling off under cut or scratch.
• The color of screws and cage nuts are pure Black under dark condition, because of the Nikel it will be bit of shiny under the light due to light reflection.
• Packacge Includes 60 Cage Nuts, 60 Screws and 60 Washers. Packed in Recyclable box instead of plastic bag.
• Quality you can count on - Tested by tens of thousands of Amazon customers since 2017(10 Years Warranty）

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