The Crescent 8 Piece 1000 volt Screwdriver Set features durable, soft grip handles that provide maximum comfort and control. The chrome-molybdenum vanadium steel shafts are built for strength, durability, and corrosion resistance. The black oxide tips are designed to fit securely into screw heads without slipping, for maximum torque. It also makes the screwdrivers long-lasting and resistant to rust. All of these products meet the highest standards for VDE compliance to IEC 60900-2004.