40pcs for M3 Rivet Nut. 40pcs Rivet Nut. 30pcs M5 Rivet Nut. 20pcs M6 Rivet Nut. 10pcs M8 Rivet Nut. 5pcs M10 Rivet Nut. Internally threaded, open ended type. Made of high quality material, and practical to use.
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