Features: Manual pressure rivet nut tool is make of steel, is strong and enduring. The rivet nut is make of aluminum alloys, will not rusts. It is easy to curl and facilitates the use of your various rivet nut installer tool. The rivet nut adopts a knurled flat head thread design to prevent slipping. These metal rivet nuts is lightweight and stored in a clear storage box, equipped with clear labels, which is very convenient to use and carry. Widely used in home appliances, car repairs, furniture, metal door and window, home decoration, sheet metal assembly and industrial applications. Rivet nuts is commonly used fastener products in our tool room. When you need it, and it will bring you a lot of convenience. Specifications: Materials: Steel Rivet Nut Installer Size: about 27x9.8cm/10.63x3.86inch Package Includes: 1Pc Rivet Nut Installer 20Pcs 8mm Rivet Nuts 70Pcs 6mm Rivet Nuts 70Pcs 5mm Rivet Nuts 110Pcs 4mm Rivet Nuts 160Pcs 3mm Rivet Nuts note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to difference between different monitors, the picture may not reflect the actual color.