Sturdy and DurableStainless steel material ensures the anti-rust and durable performance of the whole door chain lock, with smooth textured surface, corrosion resistant and prevent rust; while the thick chain also includes a leather sheath, which provides double protection, and the pulling force can prevent breakage. Upgraded thickened designThickened stainless steel base and bold chain combined to a more solid perforated installation give you a total feeling of security. Ideal for single women and the elderly. Enhanced SecurityThe lockable door chain effectively protects your family's security or privacy. Anti-theft protection to prevent your children from opening the door or your pets from escaping your home without permission. Easy to installThe door chain comes with screws for easy installation of the door latch. Protective locks are available for different types of wooden doors and can be installed horizontally or vertically. Multifunctional security chain Anti-theft chain can be used for many types of doors, placed on or next to the door panel, which makes your home safer. Can be used in homes, hotels, apartments, rental houses, etc.