Features 1、6 Sides: The hex coupling nut is hexagonal in shape with 6 sides, providing good angular granularity for tool approach. 2、Hex Coupling Nuts: The set contains 2PCS M16 thread connecting nuts with a length of 48mm, which are very practical fasteners. 3、Stainless Steel Material: These nuts are made of premium 304 stainless steel material, which are rust proof, anti corrosion, durable and can be used for a long time. 4、Easy to Carry: You can easily take these hex coupling nuts with you to help with your work, they are small and lightweight. 5、Wide Application: This nut is used to install bolts, studs or mechanical screws to fasten the two parts together and make them one. Specification Item Type: Hex Coupling Nut Material: 304 stainless steel Color: Silver Specification: M16 x 2 24 L48mm Purpose: 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 2 x Hex Coupling Nut