Color as shown Size: 5.5 x 5.4 x 2.2 cm Weight: 150 g Product material: Made of stainless steel , zinc-plated carbon steel, with high hardness and strength, wear-resistant, durable, and these nuts have high hardness and long service life. European Standard: Our sliding nuts are mainly used for European standard aluminum extrusions. You can use it easily. Feature: The surface is zinc plated for good rust resistance and better performance, fits securely into the deck side rails. Easy Installation: Convenient installation. It is one of the most commonly used parts of aluminum profiles for other parts. ⚝ Wide application: suitable for door handles, machine industry, they are also easy to use and convenient for connecting aluminum profiles.