ITEM NAME:165x Rivet Nut Tool Kit Mixed Zinc Carbon Steel Threaded Rivnut Nutsert In CVZ Descriptio n Description: Easy to use and install, convenient and practical. Made of carbon steel and zinc plated, has a long service life. Different specifications can meet different needs. Rivet nuts can be installed in many different kinds of material, including steel, plastic and fiberglass. Specifications: Product Name: Rivet Nut Type: Flat Size: M3/M4/M5/M6/M8/M10/M12 Material: Carbon Steel, Zinc Plated Package Quantity: 165pcs Package Included: 55 * M3 Rivet Nut 40 * M4 Rivet Nut 30 * M5 Rivet Nut 20 * M6 Rivet Nut 10 * M8 Rivet Nut 5 * M10 Rivet Nut 5 * M12 Rivet Nut We offer you what you need! 165pcs Rivet Nut Tool Kit Mixed Zinc Carbon Steel Threaded Rivnut Nutsert Insert.55 M3 Rivet Nut. Rivet nuts can be installed in many different kinds of material, including steel, plastic and fiberglass. 40 M4 Rivet Nut. 30 M5 Rivet Nut. 20 M6 Rivet Nut. 10 M8 Rivet Nut.