What specific types and sizes of screwdrivers are included in this German 1000V set?

This 6-piece German screwdriver set includes flat screwdrivers in sizes 2.5, 4, and 5.5, Phillips head screwdrivers in PH1 and PH2, along with a voltage tester. All tools are insulated for 1000V.

Is this screwdriver set safe for use by professional electricians on live circuits?

Yes, the screwdriver set is rated for 1000V, meaning it is insulated and designed to provide safety for professional electricians working on electrical systems up to 1000 volts.