Wera 05004783001 168 i VDE Kraftform Plus Insulated Square Socket Head Screwdrivers are VDE screwdrivers that are designed with a multi-component Kraftform Plus handle for fast and low fatigue working featuring hard gripping zones for high working speeds whereas soft zones ensure a high torque transfer. Wera 168 i VDE Kraftform Plus Insulated Square Socket Head Screwdrivers are individually tested in water baths at 10,000 volts for secure work at the permissible voltage of 1,000 volts and are designed with a hexagonal anti-roll feature which prevents any bothersome rolling away at the workplace.