M8: 15PCS M10：5PCS. 1 x 150PCS Stainless Steel Rivet Nuts With Box. 1 x 150PCS Aluminium Steel Rivet Nuts With Box. 1 x 150PCS Carbon Steel, Zinc Plated Steel Rivet Nuts With Box. Rivet Nuts Can Be Installed in Many Different Kinds of Material Including Steel, Plastic and Fiberglass.
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