Rivet Nut Assortment Kit: 2 in 1 Rivet nuts Kit contains 226 metric rivet nuts, 194 SAE rivet nuts, for a total of 420 rivet nuts | Metric rivet nut: There are 226pcs metric rivet nuts, they are m3-0.5(100pcs),m4-0.7(54pcs),m5-0.8(32 pcs),m6-1(18 pcs),m8-1.25(12 pcs),m10-1.5(6 pcs),m12-1.75(4 pcs)。7 different sizes of standard rivet nuts, giving you a wide variety of choices | Sae rivet nuts: There are 194pcs sae rivet nuts, they are #6-32(42 pcs),#8-32(48 pcs),#10-24(48 pcs),1/4"-20(36 pcs),5/16"-18(12 pcs),3/8"-16(8 pcs). 6 different sizes of standard rivet nuts, giving you a wide variety of choices | High-Quality: The rivet nuts is made of high quality carbon carbon steel, high strength, good toughness, and a layer of zinc plated on the surface of the rivet nut can not only strengthen the anti-rust properties, but also enhance its corrosion resistance, thus prolonging the service life | Rational Design&Convenient Storage: Rivnut are designed with flat head vertical threads, with flat and deep threads for easy fixing and anti-slip effect, making them easier to handle and install.Each of the 13 different sizes of rivet nut are individually stowed by type in an easy to carry clear case.Easy to store and use,so that the rivnut will not be lost or mixed up during use | Wide Application: Rivet nuts are widely used in furniture, home appliances, air conditioning, fitness equipment, bicycles, electrical equipment, automobile manufacturing, shipbuilding, aviation and many other production and manufacturing fields