VDE stainless blades for Kraftform Kompakt handle/blade system. Lightning-fast blade changes without special tools. Individually tested at 10,000 V for safe working at the approved voltage of 1,000 V. Wera's stainless steel tools are vacuum ice tempered and therefore have the hardness and strength properties required for screw connections. Industrial use is possible without restrictions. With Take it easy Tool finder: Colour coding by profile and laser-engraved size indication. The hexagon anti-roll protection avoids blades from rolling away unintentionally.