Chain door guard constructed from high quality stainless steel, ensuring quality and longevity. Beautiful matte black appearance, elegant and highgrade Strong and durable. Build to resist daily scratches, corrosions and tarnishing. Very easy to install and the door chain lock is stronger than other types you can buy in your local hardware store. with spring antitheft press lock and to offers reliable protection against intruders. Size: 5 inch length body 6.7 inch chain length Material thick: 1/16 inch thick.