CRH Safety Latch Set, 44mm-60mm Offset.
 
CRH & All manufacturers highly recommend that all internal safety release mechanisms fitted to doors are checked at least 3 times weekly to ensure they are functioning correctly.  Set includes Latch body with cylinder lock, 2 keys and padlock locking provision. 44mm-60mm adjustable offset strike. Nylon inside release push handle suitable for up to 150mm door panel.