【Rivet Nut Tool Kit Material】: Rivet nuts are made of aluminum alloy, which provides strength, corrosion protection, and long service life. Heavy-duty steel rivet nut gun with non-slip and ergonomic handles, rivet nut tools, and easy mandrel changes. 【Wide Application】: The nut rivet tool is perfect for use in car, trailer, and furniture repair, boat building, and other maintenance projects. Also for repairing tools and farm equipment. 【Easy to Use】: Simply drill a hole in the workpiece, assemble the appropriate rivet nut onto the tool, insert it into the hole, press, and then finish. Tool with mandrel button to easily separate the rivet nut from the riveter once it has been set. The tool stop lever limits the opening of the handles once the nut has expanded to prevent the nut thread from deforming. Comes with a wrench to hold the handles and adjust the mandrels. 【With Portable Box】: The hand rivet nut gun kits come with a portable box which is suitable in size and weight, saves space and is easy to carry. Note: The tool is not applicable to steel nut, only aluminum alloy nut (M3, M4, M5, M6, M8) and iron nut (M3, M4, M5, M6). 【Rivet Nut Gun Kit】 Complete kit for more convenient use: 110 pieces in total. 1 x Rivet Nut Gun, 5 high quality threaded mandrels with tips, totally 105 ribbed rivet nuts (M3 (25pcs), M4 (25pcs), M5 (25pcs), M6 (15pcs), M8 (15pcs) to meet your various needs. Product size: 270*70 cm Delivery quantity: 110 pieces