The Wera Kraftform Kompakt VDE Interchangeable Screwdriver Set comprises of a VDE handle with blade auto-lock system and VDE blades. Individually tested for dielectric strength under a 10,000V load, to guarantee safe working at 1,000V. Drop tested at extreme temperatures to ensure insulation won’t fail in tough jobsite conditions. The screwdriver tip is made from powerbit grade steel for unbeatable strength. Supplied in a rugged belt pouch.