The Wiha SYSTEM 6 SoftFinish 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-telescopic 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 6 interchangeable blades . 2 x Slotted SYSTEM 6 Interchangeable Blades: 4.0/6.0 x 150mm & 5.5/6.5 x 150mm. 1 x Phillips SYSTEM 6 Interchangeable Blade: PH1/PH2 x 150mm. 1