a latch lock system for a door that is mountable in a doorframe , the latch lock system including a main housing including a spindle and lever , a bolt having a nose part that is attractable to a magnet , the bolt being slidable in the main housing between extended and retracted positions , a spring biasing the bolt to its retracted position , a secondary housing including a strike plate in the doorframe , a magnet mounted in the secondary housing , the magnet having a magnetic force greater than the spring force which will pull the bolt to its extended position when the door is in its closed position and the bolt is aligned with the magnet .