STURDY AND DURABLE: Made of heavy-duty stainless steel with maximum corrosion resistance and durability, this front door restrictor chain will provide easy additional security for years to come PROVIDE EXTRA SAFTY: This premium quality front door security chain offers you reliable protection against intruders. The door restrictor allows you to identify a caller before opening your door fully, and stop the forceful entry of unwelcome visitors PRACTICAL AND CONVENIENT: Delicate design with chain and anchor set allows you to open the door partially whilst the door is still secure against entry. Flexible door chain lock with smooth sliding action allows you to apply and release the chain easily when the door is closed EASY INSTALLATION: The home security door chain with surface mounted and narrow design can be fitted with ease on any door size/ thin or narrow frames with minimum effort. Installing a door restrictor in your home will offer you peace of mind and security against unwanted callers BUY WITH CONFIDENCE: With a compact design and solid construction, this slide door chain makes a nice addition to the security of your home. Just buy with confidence as we are always here to provide you with 100% satisfactory service