M6 M8 M10 M12 M16 Lifting Ring Eye Nuts Female Threaded Thumb Nut Zinc-Plated. M2.5 0.45mm M16 2mm. M1 0.25mm M12 1.75mm. M8 1.25mm M27 3mm. M10 1.5mm M30 3.5mm. M6 1mm M24 3mm. -Material: Carbon steel,surface Zinc-Plated.
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