Applicable Nut Specification:M3/M4/M5/M6/M8/M10/M12/M14/M16/M18/M20/M22/M24. e.g.: M3x6x9mm(Applicable for M3 nut, Safety Cap Inner Hole Opposite Side 6mm, Height 9mm). Type: Cap Nut Safety Cap. Size: Applicable Nut Specification x Safety Cap Inner Hole Opposite Side x Height.
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