Includes wrench to hold handles and adjust mandrels Robust, ergonomic tool made of steel with non-slip handle Suitable for repair work on cars, boats, furniture and machines Package includes: 1 x Nut Rivet Tool (Including Wrench), 5 x Nut Rivet Mandrels: M3/M4/M5/M6/M8,20 x M3 Threaded Rivet Nut Inserts, 20 x M4 Threaded Rivet Nut Inserts,20 x M5 Threaded Rivet Nut Inserts,10 x M6 Threaded Rivet Nut Inserts,10 x M8 Threaded Rivet Nut Inserts,1 x Plastic Storage Case,1 x Instruction Manual About Nut Rivet Tool Material of Gun body: Steel Rivet Nut Material: Aluminum alloy Material of handle cover: Rubber Color: Black blue Total length of hand tool: Approx.27cm/10.63" About Rivet nuts Made from aluminum alloy which provides strength, corrosion protection and long service life With open end, small flange, round hole, threaded inner wall and partial anti-skid surface, these flat head rivet nut has a good performance of fastener function Size: 20pcs x M3 Threaded Rivet Nut Inserts; 20pcs x M4 Threaded Rivet Nut Inserts; 20pcs x M5 Threaded Rivet Nut Inserts; 10pcs x M6 Threaded Rivet Nut Inserts; 10pcs x M8 Threaded Rivet Nut Inserts About Nut Rivet Mandrels 5pcs x Nut Rivet Mandrels: M3/M4/M5/M6/M8