Double Keyed Door Knob: Enhanced Security For Restricted Areas
A double keyed door knob is a type of door knob that requires a key to be inserted and turned from either side of the door in order to unlock or lock it. This type of door knob is often used in high-security areas, as it provides an extra layer of protection against unauthorized entry. […]
Double Keyed Door Knob: Enhanced Security For Restricted Areas Read Post »