DescriptionFemale thread, stainless steel material. This rod coupling is designedwith female thread and hex rod. Installed with sleeve anchor, wedgeanchor and all thread rod, etc. All connectors are fully threadedinternally. Connectors are used to connect two threaded parts together.Features- Color: Silver. - Material: Stainless steel. - Size: About 3x1x1cm/ 1.18x0.39x0.39 inch. - The product designed strong and are great for both indoor and outdoor use. - This rod coupling is designed with female thread and hex rod. - Made of stainless steel construction resists corrosion for long life use. - The hex connector deep nuts are made of stainless steel material, which offer good corrosion resistance. - The long fine thread rods are Hexagonal,which have 6 sides that give a good granularity of angles for a tool to approach.