The Wiha SYSTEM 4 SoftFinish ESD Screwdriver Set is a versatile, space-saving interchangeable tool. Ideal for working on electrostatically sensitive components. SYSTEM 4 interchangeable blades are made from high quality chrome-vanadium-molybdenum steel, through hardened with a chrome-plated finish. They can reach lengths between 18-90mm. Thanks to the SYSTEM 4 interchangeable blades, the required blade profile can be quickly and easily inserted and the blade length fixed to requirements. This 12 Piece Set contains the following: 1 x SoftFinish-telescopic ESD Screwdriver Handle. The patented SoftFinish handle ensures work is kind to hands and muscles. Recommended by doctors and therapists at the German Campaign for Healthier Backs. A click-stop ball clamp guarantees a secure hold for blades. Compatible with all Wiha SYSTEM 4 interchangeable blades. Manufactured in compliance with international IEC standard 61340-5-1, thus guaranteeing maximum protection for electronic components. 2 x