Features 1、Made of Stainless Steel: Our hex coupling nuts are made of 304 stainless steel with excellent craftsmanship, which can be used stably. 2、20Pcs in Kit: There are 20pcs hex coupling nuts in this hex coupling nut kit, the quantity is enough to meet your daily needs. 3、Operating Method: The threaded rod coupling is used to install studs or machine screws that fasten two parts together to make one. 4、Great Angle Granularity: The long thin threaded rod is with 6 sides, which provides good angle granularity for tool approach. 5、Corrosion Resistance: The nuts in the hex coupling nut kit are strong and durable, and can be with corrosion resistance. Specification Item Type: Hex Coupling Nut Material: 304 stainless steel Color: Silver Specification: M5 x 0.8-8-L15mm Use: For indoor and outdoor use. Package List 20 x Hex Coupling Nut