Facom ProTwist 1000V Insulated Screwdriver Set Contains Pozidriv PZ1x100 + PZ2x125 Slotted 2.5x75 + 3x75 + 3.5x100 + 4x100 + 5.5x125 + 6.5x150 Features For improved safety each screwdriver is tested individually at 10000 Volt for 10 seconds VDE approved Inline hardening process +100% tip life and +100% bar strength Handle material softer for more comfort and still chemical resistant Handle Channel +10% torque Laser marking - gives virtually permanent marking CNC tip machining - gives better screw fit increasing torque transfer and reducing wear