400/2100pc M1.6 M2 M2.5 M3 M4 M5 Black Grade 12.9 Steel Hexagon Hex Socket Cap Head Screw Bolt Nut Washer Set Assortment Kit Box

400/2100pc M1.6 M2 M2.5 M3 M4 M5 Black Grade 12.9 Steel Hexagon Hex Socket Cap Head Screw Bolt Nut Washer Set Assortment Kit Box

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