FB4 Slam Lock Morgan FB4 Slam Lock 4 way reversible slam lock for use by London Fire Service. Opened by FB4 mortice key from outside, door is locked automatically when closed. Safety slide button from inside opens door at all times. This latch is double handed with a quick reverse latch bolt making it suitable for all doors, left or right handed, opening in or out. Supplied with 2 strike plates (1 x surface mounted and 1 x flat), 1 x keyhole escutcheon and all fixing screws Quick reverse latch bolt: pull-twist-release Case size 110mm x 78mm x 20mm Backset 54mm FB slam locks are NOT supplied with keys which should be ordered separately. The key for this lock is product code FB4MK (standard length) or FB4MKL (long reach)
