Kraftform Kompakt VDE components undergo dielectric strength test under a 10, 000-volt load in a water bath to reassure users that their screwdrivers have been exhaustively tested for their most important feature; their insulation. Each individual Wera VDE screwdriver & component is subjected to this test to guarantee safe working up to 1, 000 volts. Both handles in this set feature Kraftform ergonomics; with hard gripping zones for high working speeds & soft zones ensuring comfort during intensive use & high torque transfer. For Kraftform Kompakt VDE blades: the handle/interchangeable blade system allows a rapid exchange of the blade & multiple applications. All VDE interchangeable blades are 154 mm in length. Product features 6 interchangeable blades with handle, contained in a robust & lightweight pouch.