Wera Kraftform 160 VDE Insulated Screwdriver Slotted 5.5 x 125mmWera screwdrivers of this safety pattern far exceed the requirements of relevant standards regarding strength and torque stability. Safety guarantee , individual testing of the tool for dielectric breakdown strength at 10,000 Volts in a water bath and safe working up to 1000volts. The handle is of ergonomic design for faster more powerful and less tiring screwdriving action and has anti roll feature.Blade Length,125mmTip, 5.5mm