Features Multi Size: There are a variety of nuts of different specifications, all of which are classified and packed in plastic boxes, which are easy to carry and use. Widely Application: Suitable for various metal plates, fastening pipes sheet metal, steel, aluminum, plastic, fiberglass etc. Universal Rivet Nut|: Widely used in the assembly of automobiles, aviation, railways, refrigeration, elevators, switches, instruments, furniture, decorations and other electromechanical and light industrial products. Quality Material: the threaded nuts was made Aluminum galvanized material processing, wear resistance, oxidation and corrosion resistance, long service life. Package:100PCS / pack ,M3-M10 differnet szie ,A large number, can meet your use and replacement needs, very practically. Specification: Item Type: Pull Riveting Nuts Model: WJ-30045 Category: Flat Head Nails Material: Aluminum galvanized Rivet Diameter: Approx. 3 ~ 12mm / 0.1 ~ 0.5in Specification and Quantity:  100 x M3 Nut 100 x M4 Nut 100 x M5 Nut 100 x M6 Nut 100 x M8 Nut 100 x M10 Nut Package List: 100 x Pull Riveting Nuts Package List 100 x Pull Riveting Nuts