Tested The Security Products range of locks and latches has all been successfully tested at Warrington Certification Ltd to meet the requirements of the current European standard EN12209-2003 for locks and latches. Warrington certification Ltd has also approved the range for CE marking. The CE marking of the product proves that the item has been tested to the appropriate standard and has met all the quality control requirements. Features The Security Products range of locks and latches features the patented ROTALATCH latch bolt reverse system. This enables the latchbolt to be handed easily without the need for any additional tools. This can also be done without removing the lock or latch from the door if already fitted.