Wera 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 and component is subjected to this test to guarantee safe working up to 1,000 volts. Both handles in this set feature Kraftform Plus ergonomics; with hard gripping zones for high working speeds, and soft zones ensure comfort during intensive use and high torque transfer. For Kraftform Kompakt VDE blades: the handle/interchangeable blade system allows a rapid exchange of the blade and multiple applications. Contains: 2 x 154mm KK 62 iS Phillips Blades: PH1, PH2. 2 x 154mm KK 65 iS PZ/S Blades: PZS1, PZS2 (minus blades for combination screws). 3 x 154mm KK 67 iS Torx® Blades: TX15, TX20, TX25. 1 x 154mm KK 67 i Torx® Blade: TX10. 3 x 154m KK 60 iS Slotted Blades: 3.5, 4, 5.5mm. 1 x 154m KK 60 i Slotted Blade: 2.5mm. 2 x 154mm KK 65 iS Povidriv Blades: PZ1, PZ2. 1 x 817 VDE Blade Holding Handle. 1 x 7400 Adjustable VDE Torque Handle that has a range of 1.2-3.0 Nm. Distinct audible and perceivable excess load signal when the pre-set torque value is reached. Unlimited torque for manual loosening.