Feature:1. 304 Stainless Steel Material: Made of premium 304 stainless steel material, these nuts are rust proof, anti corrosion, durable and can be used for a long time.2. Easy Assembly: The nut is designed with female thread and hex rod, which can be easily disassembled and assembled by using a hex wrench.3. Application: This nut is specially designed for fastening two parts together to make them one. Hex nuts are suitable for bolts, studs, machine screws, threaded rods, etc., and are suitable for indoor and outdoor use.4. 20Pcs: There are 20 pieces nuts in the package, they can be used for a long time, and are able to meet most of your needs.5. Easy Carrying: Comes with small size and lightweight, you can easily take these nuts with you to help with your work.Specification:Item Type: Hex Coupling NutMaterial: 304 Stainless SteelColor: SilverSpecification: M5 x 0.8-8-L20mmPurpose: Specially designed for fastening two parts together to make them one. Hex nuts are suitable for bolts, studs, machine screws, threaded rods, etc., and are suitable for indoor and outdoor use..Package List:20 xHex Coupling Nut