The one-handed riveter is used for rivet to nut mandrel sizes, suitable for repair work on cars, boats, furniture and machinery. Features :This nut riveting tool can be used in car, trailer and furniture repair, or even boat building.5 nut rivet mandrels, 80 rivet nut mandrels to meet your various needs.The tool does not apply to steel nuts, only alloy nuts (M3,M4,M5,M6,M-8) and iron nuts (M3,M4,M5,M6).Includes wrench to hold handles and adjust chucks, sturdy and ergonomic tool cover with non-slip rubber grip, labor-saving design.Made from heavy duty iron which provides strength, durability and long life. Features :Body material: Steel Handle cover material: rubber Color: blue and black Quantity: 86Pcs Item Size: 170 * 100 mm / 6.69 * 3.94 inch Package Weight: 1300g / 45.86oz Package Size: 305 * 104 * 45mm / 12.01 * 4.09 * 1.77in Packing list:1 * Nut Riveter 5 * Nut Riveting Mandrels 20 * M3 Threaded Rivet Nut Inserts 20 * M4 Threaded Rivet Nut Inserts 20 * M5 Threaded Rivet Nut Inserts 10 * Threaded Rivet Nut Inserts M6 Threaded Rivet 10 * M-8 Threaded Rivet Nut Inserts 1 * Plastic Storage Case 1 * Instruction Manual