Features 【High-quality material】: This connector double-head screw is made of high-quality metal sticker material, which is sturdy and wear-resistant and has a long service life. 【Galvanizing process】: The surface of the screw is galvanized, which has better performance, can prevent rust, anti-corrosion, and is more stable. 【Practicality】: This connector double head screw is widely used between two pieces of wood, through which a joint can be made to connect the two pieces of wood. 【20pcs/set】: This connector double head screw set has a total of 20 screws. You can use it across multiple projects to facilitate your work. 【Compact and Lightweight】: The wire diameter*total length of this connector stud screw is 5*40mm, and the weight is about 65g/2.3oz, which is very light and easy to carry. Features: 1. This connector double-head screw is made of high-quality metal paste material, which is strong and wear-resistant, and has a long service life. 2. The surface of the screw is galvanized, which has better performance, can prevent rust, anti-corrosion, and is more stable. 3. This connector double head screw is widely used between two pieces of wood, through which a joint can be made to connect the two pieces of wood. 4. This connector stud set has a total of 20 screws. You can use it across multiple projects to facilitate your work. 5. The wire diameter*total length of this connector double head screw is 5*40mm, and the weight is about 65g/2.3oz, which is very light and easy to carry. Specification: Material: Iron Surface finishing: Zinc plating Size(thread diameter*overall length): 5*40mm Quantity: 20pcs Weight: 65g / 2.3oz (approx.) Package list: 1 set * Dowel Screws Package List