ERA / Saracen / Surelock Centre Case
This is the central lock case in the middle of the mechanism - the most common part to fail. 99% of uPVC door problems can be solved by replacing just the centre case.
Please note that ERA / Saracen / Surelock are the same manufacturer and this will fit both types of mechanism.
This is done by removing the torx headed securing screws on the strip and simply swapping the case.
The handing / latch on this mechanism can be reversed when you receive the centre case to suit the handing of your door.