[Baz]

Originally Posted by herr_oberst

Baz, this is the website I found yesterday after Steve C identified the tag.

This unit is a little different, but I assume the principal is the same; you type in the stock number of the item you need the key for and the ring lights up around the one you need (and probably releases the magnetic grip)

Clever, really.

https://www.edlocks.com/T21/?_vsrefdom=adwords&gclid=CjwKCAiAzKqdBhAnEiwAePEjkpaX5xU3MoMRmMapQrlD 8o-OFpGThxCt1Akp5B6Q6AI8CmflCA-_QRoC7d8QAvD_BwE

OK thanks! Now it makes sense. Goes into a cabinet that requires a code to gain access....and then another code for each key, right?

I agree...very ingenious!