The Frelan Hardware Heavy Duty Adjustable Roller Bolt Latch SSS is typically used for cupboards, wardrobes and pairs of double internal doors.  The roller pressure is adjustable to suit all applications. Particularly Suitable for Pull Handles The roller bolt latch is particularly suited to pull handles, it allows the door to be pulled open, but when the door is closed it securely retains the door.  On pairs of internal doors, two roller latches can be used, one in the head of each of the doors.  This gives the flexibility of using the doors together or separately&nbs...