Wera Kraftform Comfort 1160i/7 Ergonomic Insulated Screwdriver Set, 6-Piece Features insulated Slotted and Phillips drive tips and voltage tester Each screwdriver is tested at 10,000 volts in a water bath to guarantee safe working standards of 1000 Volts Wera Black Point Tip and hardening process guarantee long service life, increased corrosion protection and accurate fit into fastener Multi-component Kraftform handle fits the shape to the hand for quick and effortless working Limited Lifetime Warranty, German Engineered Features insulated Slotted and Phillips drive tips and voltage tester Each screwdriver is tested at 10,000 volts in a water bath to guarantee safe working standards of 1000 Volts Wera Black Point Tip and hardening process guarantee long service life, increased corrosion protection and accurate fit into fastener Multi-component Kraftform handle fits the shape to the hand for quick and effortless working