Rivet Nut Tool Kit Material: Rivet nuts are made of high quality materials with high strength, corrosion resistance and long service life. Heavy duty steel rivet gun with ergonomic non-slip handle, rivet tool and easily replaceable mandrel. Wide Application: The rivet nut tool is ideal for automobile, trailer and furniture repair, boat building and other maintenance projects. Also used for repairing agricultural tools and equipment. Easy to Use: Simply drill a hole in the workpiece, assemble the appropriate rivet nut on the tool, insert it into the hole, press and you're done. Tool with a mandrel button to easily separate the rivet nut from the riveter after it is set. After the nut is expanded, the tool's stop bar limits the opening of the handle to prevent the nut threads from deforming. Comes with a wrench to hold the handle and adjust the mandrel. With Portable Box: The manual rivet gun kit comes with a portable box, suitable in size and weight, saving space and easy to carry. Note: The data are all measured manually, please allow 1-3cm error, due to differences in light and display, there may be some color differences, please refer to the actual item received.