Wera 05004783001 Kraftform Plus VDE 168i Square Socket Insulated Screwdriver, #1 Head, 6" Blade Length Insulated VDE blades for secure work at 1,000 volts Hard gripping zones for high working speeds, soft zones for high torque transfer. Handle markings for simplified finding and sorting of the tools Hexagonal anti-roll feature against rolling away Zinc phosphate plated