Difference between the M&C door cylinders?
There are different series M&C Cylinder locks available. We only sell SKG 3* door cylinders with a hardened steel bridge. All cylinders feature a panic lock (operable from both sides). If you do not wish to have this, you can have it modified. The Matrix cylinders have a cut key, the other series of M&C are reversible keys. These are less susceptible to wear.
For all differences between the M&C You can read about cylinder locks here.