This 430-piece metric rivet nut tool kit is designed for installing threaded inserts in thin materials such as metal, plastic, and sheet metal. The kit includes a manual rivet nut tool along with a full assortment of rivet nuts in commonly used metric sizes, making it suitable for repair, assembly, and fabrication work. Rivet nuts provide strong, reliable threads where traditional tapping is not practical. The included installation tool and interchangeable mandrels allow for efficient setup and use across multiple sizes. Features 430-piece rivet nut assortment kit Includes sizes: M3, M4, M5, M6, M8 Manual rivet nut installation tool included Carbon steel rivet nuts with zinc coating for durability Knurled body design helps prevent slipping during installation Designed for use in metal, plastic, and sheet materials Organized storage case for easy access and transport Kit Includes 160 pcs M3 x 0.5 110 pcs M4 x 0.7 70 pcs M5 x 0.8 70 pcs M6 x 1.0 20 pcs M8 x 1.0 1 manual rivet nut tool 5 installation mandrels (M3–M8) 1 storage case Applications Automotive repair and body work Furniture assembly and repair Marine and boating applications Sheet metal and fabrication work Home improvement and industrial use