DELL Latitude E6420 that i have got in USA has this plug:

While i have these 2 UK adapters:

Usually neutral and live fit, but ground pin creates here a problem as the plug won't fit into israeli sockets here.
UPDATE: Since i also need traveler's adapter, i think i would better buy one universal adapter instead of power cable so i can kill 2 birds with 1 stone. Unless using traveler's adapter at your home is less recommended than simply buying appropriate cable?

Here is one with USB which is good for charging smartphone or mini-capsule speaker:
