Increases your efficiency: Space-saving due to extensive interchangeable blade system. Provides you with full protection: Each tool is individually tested at 10,000 V AC and approved for 1,000 V AC. Enhances your safety: Wiha slim interchangeable blades ensure good and fully insulated access to deep-seated screws. Application: In combination with the Wiha TorqueVario®-S T electric torque screwdriver, suitable for controlled screwing at a specified torque, for example in industrial assembly tasks. Blade: High-quality chrome-vanadium-molybdenum steel, fully hardened, blackened. Blade: Protection insulation directly injected onto the blade. When working on live parts, the safety of the user is the top priority. The electric interchangeable blade, in combination with the insulated Wiha TorqueVario®-S electric torque screwdriver, allows for controlled tightening and loosening of screws. The insulated interchangeable blade is subjected to a piece test according to the international standard IEC 60900 and enables safe work on live parts up to 1,000 V AC. Only compatible with Wiha TorqueVario®-S T electric torque screwdrivers. Tested according to IEC 60900.