Clip type C KEYS ARE. THE KEYS ARE FROM A USED LENOVO. Keys NOT available on main keyboard are :- G H N Windows key. UK KEYBOARD WITH MOUSE POINTER.
Docking Station Lenovo Thinkpad T410s T410si T420 T420s T430 T510 T510i T520_
Lenovo Docking Station Dock Thinkpad T420 T420s T510 T510i T520 X220 Port_