The Wiha SoftFinish electric slimVario Interchangeable Screwdriver Set covers multiple applications, ideal for electricians who are often faced with different screw profiles when working on live parts during their daily work. Both the insulated screwdriver handle and slimBits undergo an individual piece test as per the international IEC 60900 standard, allowing users to work safely on live parts up to 1, 000 V AC. This 4 Piece Set contains the following: 1 x SoftFinish electric slimVario Screwdriver. Patented SoftFinish handle ensures work is kind to hands and muscles. Recommended by doctors and therapists at the German Campaign for Healthier Backs. 1 x Slotted slimBit electric Blade 5.5 x 75mm. 2 x PlusMinus/Pozidriv slimBit electric Blades: SL/PZ1 x 75mm &SL/PZ2 x 75mm.