The XFORT locking door chain is the ideal alternative to a standard door chain, offering a child-proof upgrade to your home security. Its locking mechanism provides key-operated access into your home even when the chain is locked. It is lockable from the inside to prevent children from opening and maintain safety. The chain is made from zinc alloy for strength and durability, with a polished chrome finish to complement interior decor. Suitable for wooden, composite, and UPVC front doors. Easy installation is ensured with supplied fixtures and fittings, including 2 keys and fixing screws. Weight: 0.5732018812 Pounds, Manufacturer: Maher London Ltd