Features: 1.The riveting head is made of special steel material, strong and durable 2.The product has comfortable grip for long using 3.The handle is a PVC anti-skid plastic coated steel handle, which is more practical and non-slip 4.The rivet nut gun can adjust pressure which is convenient to use 5.Including different rivet nuts, simple to replace specification:Item Type: Rivet Nut Gun Set : 1 x Rivet Nut Gun (Hold the handle with a wrench) 1 x M3 Threaded Mandrel 1 x M4 Threaded Mandrel 1 x M5 Threaded Mandrel 1 x M6 Threaded Mandrel 1 x M8 Threaded Mandrel 20 x M3 Rivet Nut 20 x M4 Rivet Nut 20 x M5 Rivet Nut 10 x M6 Rivet Nut 10 x M8 Rivet Nut 1 x Plastic Storage Box PackageList:1 x Rivet Nut Gun (Hold the handle with a wrench)1 x M3 Threaded Mandrel1 x M4 Threaded Mandrel1 x M5 Threaded Mandrel1 x M6 Threaded Mandrel1 x M8 Threaded Mandrel20 x M3 Rivet Nut20 x M4 Rivet Nut20 x M5 Rivet Nut10 x M6 Rivet Nut10 x M8 Rivet Nut1 x Plastic Storage Box