Features 1、Uses high‑hardness stainless steel, durable, wear‑resistant and long service life. 2、The tool collapses the nut, creating a backside flange that holds the nut to the material. 3、Contains M3/4/5/6 rivet nuts, easy to install and use, anti‑rust and anti‑oxidation. 4、Suitable for the fastening field of various metal plates, pipes and other manufacturing industries. 5、Widely used in assembly of electromechanical and light industrial products such as automobiles, elevators, switches, instruments, furniture, and decoration. Specification Condition: 100% Brand New Item Type: Rivet Nuts Material: Stainless Steel Product model: M3 M4 M5 M6 Package List 50 x M3 Rivet Nuts 50 x M4 Rivet Nuts 50 x M5 Rivet Nuts 50 x M6 Rivet Nuts