Mauer safes are common in the UK and Ireland. They are seen in safes made by Mauer, Chubb safes, President and a few others. They can be be tricky to get copied. Good calibrated machinery is necessary as well an an experienced Key Cutter or locksmith. When you get a new key cut you should always try to lock it and unlock it with the door open to ensure it operates correctly. If you try to do it in the closed position, and the key jams, it can cause a lot of trouble. Please allow a number of hours for this service.