M4 M5 M6 M8 M10-M16 Plum Bakelite Hand Tighten Nuts Handle Thread Star Mechanical Black Thumb Nuts Clamping Knob Manual Nuts

M4 M5 M6 M8 M10-M16 Plum Bakelite Hand Tighten Nuts Handle Thread Star Mechanical Black Thumb Nuts Clamping Knob Manual Nuts

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