One (1) Elevator Floor Level Sign Mounted on Elevator Door Jambs - Raised (tactile) Numbers and Star Symbol and Grade 2 Braille. Size: 4x4 Inch, Material: Aluminum, Include Double Sided tape, Use this Square aluminum elevator jamb plate on elevator door jambs to identify floors or stops. It includes your floor number Grade 2 Braille to assist people with impaired vision with raised symbol. This sign must be ordered in pairs. Two identical signs per floor. Reason: Regulations require this floor number sign to be mounted both on the left side and the right side door jambs of the elevator. This is so that persons exiting or entering the elevator from the left or right side would be able to know what floor level they are on