All types of Electric Screwdriver Bits are quality, precision-machined tools designed to offer high performance, durability and workability with a wide range of electric screwdrivers and power tools. These bits are crafted of high-grade alloy steel or S2 steel, are very hard, are resistant to torque and have a very long service life despite continuous usage in the industry. They are heat-treated to be stronger and are coated to resist corrosion and wear and can be used in the assembly of electronics, in automobile work and in general maintenance work. The bits fit into each other securely and reduce slipping and transfer of torque efficiently to allow the bits to be accurately fastened and loosened. These screwdriver bits are professional and technician-friendly in that they are effective in increasing productivity, reducing the downtime, and offering consistency in performance in harsh environments.