Burhani Engineering Metals Works

A 4mm Safety Lock Chain is a security device featuring a sturdy, often stainless steel, chain attached to a mounted plate, allowing for partial door opening—roughly 2-4 inches for secure communication or identification while preventing forced entry. These devices are commonly used as secondary, internal locks on residential, hotel, and apartment doors. 

A 8mm Safety Lock Chain is a security device featuring a sturdy, often stainless steel, chain attached to a mounted plate, allowing for partial door opening—roughly 2-4 inches for secure communication or identification while preventing forced entry. These devices are commonly used as secondary, internal locks on residential, hotel, and apartment doors. 

A 6mm Safety Lock Chain is a security device featuring a sturdy, often stainless steel, chain attached to a mounted plate, allowing for partial door opening—roughly 2-4 inches for secure communication or identification while preventing forced entry. These devices are commonly used as secondary, internal locks on residential, hotel, and apartment doors. 

A 5mm Safety Lock Chain is a security device featuring a sturdy, often stainless steel, chain attached to a mounted plate, allowing for partial door opening—roughly 2-4 inches for secure communication or identification while preventing forced entry. These devices are commonly used as secondary, internal locks on residential, hotel, and apartment doors.