160PCS Stainless Steel Rivet Nuts Kit. -5x nut rivet mandrel: M3 / M4 / M5 / M6 / M8. -10x M8 threaded rivet nuts. -24x M4 threaded rivet nuts. -10x M6 threaded rivet nuts. -This nut rivet tool is suitable to be used in car, trailers, and furniture repair, or even boat building.
