What is the key for a standard plate key switch 31VK1CK?
In regards to the 31VK1CK, 31VK2CK,
It is best to got to a Master lock smith and request a Low & Fletcher style key and request the key number 60051.
The key number 60051 is the standard common key for the 31VK1CK. They will be able to make the key up on the spot. Please note it has to be a "Master" Lock smith.