10/5pcs M4 M5 M6 M8 35#Head Diameter Plum Bakelite Hand Tighten Nuts Butterfly Plastic Head Hand Knob Nut Through hole/Blind hol

10/5pcs M4 M5 M6 M8 35#Head Diameter Plum Bakelite Hand Tighten Nuts Butterfly Plastic Head Hand Knob Nut Through hole/Blind hol

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