Size: M4, M5, M6, M8, M10. 10pcs x M8 rivet nuts. 50pcs x M4 rivet nuts. 10pcs x M10 rivet nuts. M4 for sheet which is 0.5-2.5mm thick. M8 for sheet which is 0.5-3.5mm thick. 15pcs x M6 rivet nuts. 11.5mm Bronze Brass Jeans Rivet Buttons Leather Craft Jackets Coats Handbags.
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