Features:* Made of high-quality stainless steel, good rigidity, wear-resistant, anti-corrosion, anti-rust, durable, ensuring safe observation and ventilation when the door is partially opened.* Anti-theft design: The door chain adopts a spring-loaded anti-theft buckle design, which provides reliable protection against forced entry. It is a reliable choice for access control and defense, and provides reliable security protection for intruders.* Easy to install: Chain lock door guard is easy to install, just put the slider on the door, mark the holes and drill the screws, then put the chain lock on the door frame and mark and finally drill the screws. Press the spring button to unlock.100% resistant to daily scratches, corrosion and tarnish. With spring anti-theft pressure lock, reliable anti-theft protection* Multiple Uses: The door chain can be used in a wide range of applications, such as doors, closets, cabinets and more. Specification:* Material: Stainless steel* Color: brushed, green antique, red antique, gold, black* Overall length: 123mm* Chain length: 185mm* Quantity: 1PCS Package content:1 x anti-theft chain4 x screws Note:1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.