This is best done by a watch repairman. Changing the battery yourself and doing a pressure test may seem like
These standard Yale keys have been around for 40 years or more. These are not to be confused with the newer patented keys which will be more expensive.
The ABS endurance lock has emerged in the market in 2020. The Endurance lock has been made for a specific door and window company in the UK. These locks are British Standard, 3 star locks of the highest quality. Your ABS Master Key Code is two letters followed by 7 numbers and then four more letters. The Key code begins with two Alpha Digits followed by seven numbers and a further four alpha digits* For example: MG2457877AFTA. On older models the code did not include the last two alpha digits. Currently not many key cutters are offering this service. If you are lucky enough to find someone, you may need to present your security card for authorisation.