High quality: Made of high-quality stainless steel, it is rust-proof, durable, has a long service life and stable performance Size specification:76mm x 52mm x 1.8mm Minimalist design: With a silver appearance and simple functional design, this door chain can be used throughout the decoration process and can perfectly adapt to and fit various decoration styles Easy to use: It can achieve smooth opening and sliding actions, and can be easily installed and used on all doors Wide range of applications: Suitable for installation on various types of doors, including built-in wooden doors/wooden doors. It is suitable for fixed room doors, entrance doors, bedroom doors, garden doors, etc., and is very convenient and practical, Manufacturer: Crozgan