Lathem mechanical time clock key, p/n 2387
1221, 2000, 2100, 2200, 3000, 4000
It fits all versions of all these machines.
1200, 2001, 2121, 2126, 4001, 4025, 2121DD,
4001, 4005, 4051, 4001DD, and on and on
Tip: If the machine has a metal case, this is the correct key.
Your clock should look like this (more or less) and have a SLOT for the key, not a barrel:
:
Another tip: Does your ribbon assembly look like this?
The key is cut on both sides, has the number 2387 stamped in it
If in doubt, call us
1 800 682 3389
We also repair these machines
Lathem Ribbons, and Lathem parts in stock