The Wiha SoftFinish® electric Hex Nut Drivers come with a high quality Chrome vanadium steel blade, through hardened with a black-finish. Insulation is moulded directly onto the 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: 6 x Hex Nut Drivers: 5.5 x 125mm, 7 x 125mm, 8 x 125mm, 10 x 125mm &13 x 125mm.