Red and yellow Wiha's SoftFinish insulated handles for complete safety, easy recognition and comfort. These screwdrivers are all 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. These are industrial/professional tools but even if you're only changing a 13 amp fuse it's good practice to use a VDE screwdriver and a good habit to get into.