The Wiha SoftFinish electric Screwdrivers come with a high quality Chrome vanadium steel blade, through hardened with a black-finish. Insulation is moulded directly onto blade. Individually tested at 10, 000 V AC and approved for 1, 000 V AC. Patented SoftFinish handle ensures work is kind to hands and muscles. Recommended by doctors and therapists at the German Campaign for Healthier Backs. The unique Wiha handle-length concept provides optimum balance of torque and control. Manufactured according to IEC 60900. This 6 Piece Set contains the following: 4 x Slotted Screwdrivers: 3.0 x 100mm, 4.0 x 100mm, 5.5 x 125mm &6.5 x 150mm. 2 x Phillips Screwdrivers: PH1 x 80mm &PH2 x 100mm.