The Wiha SYSTEM 6 SoftFinish(r) Screwdriver Set is a versatile, space-saving interchangeable tool. SYSTEM 6 interchangeable blades are made from high quality CVM steel, through hardened with a Titanium silver finish and lasered output sizes. They can reach lengths between 42 and 114mm, allowing you to reach low-lying screws in blind holes. Thanks to the SYSTEM 6 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(r)-telescopic Screwdriver Handle. The patented SoftFinish(r) 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.