Rivet nut gun kit

1 Pcs 16" rivet nut gun 7 Pcs interchangeable metric mandrels(M3,M4,M5,M6,M8,M10,M12) with single plastic box 10 Pcs M3 rivet nuts 10 Pcs M4 rivet nuts 10 Pcs M5 rivet nuts 10 Pcs M6 rivet nuts 10 Pcs M8 rivet nuts 10 Pcs M10 rivet nuts 10 Pcs M12 rivet nuts The mandrel can be easily removed by hand for easy mandrel change or maintenance Used to Insert threaded rivet style fasteners into thin metal, plastic or fiberglass Packed by plastic box