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'M' Section (Master) Ingersoll Key

'M' Section Ingersoll Key (Master Key)


This is the 'M' Section Ingersoll Key (Master Key)

So that you know that you are ordering the correct key, this particular key will have the letter 'M' followed by a few numerical digits. For example M1234 or M56789 etc.
The positioning of the letter 'M' before the numerical digits indicates that this is a Master Key and will open more than one lock on a suite of master keyed locks.
If however your key number includes the letter 'M' but the 'M' is not at the very beginning of the key number then you need to order 'M' Section (Servant) Ingersoll Key. 

Both Master and Servant keys will take 2-3 weeks to be cut and posted to you.
(there is no way to speed up this process).

All 'M' Section key orders require a letter of key authority.
Please see the images for an example of the format of the required letter.
The address at the top of the letter must be the address of where the lock is actually installed.
After you have placed your order you will need to email your letter of key authority as a pdf file attachment to 


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