This is the worlds first VDE 6 in 1 screwdriver. It is fully tested and conform to very strict DIN standards and European and International IEC and VDE standards for use on all types of common electrical work. Fully tested up to 10,000 Volts DC and guaranteed to 1,000 Volts AC. This is a industrial/professional tool, but even if you're only changing a 13 amp fuse it's good practice to use a VDE screwdriver and with this screwdriver you should have every size head you need. Contains 3 x slot heads, 1 x PH1, 1 x PH2 and 1 x SL/PZ 2.