Size: M2 M3 M4 M5 M6 - M24. Screw SizeM2 M3 M4 M5 M6 - M24. Thread SizeM2 M3 M4 M5 M6 - M24. Material: nylon. Color: White Black. The product is made of high quality PP/PE material with good electrical insulation and chemical stability, as well as non-toxic, odorless anti-bacterial and anti-mold material.
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