Cr-V Steel shaft performs high hardness (up to HRC59-61) and ensures long service life, wear resistance and corrosion resistance.The head of the screwdriver is magnetic, which can firmly absorb the screws during use and is not easy to fall off.A strike cap is set at the end of the handle, which can withstand knock and help improve work efficiency.The handle is ergonomically designed to provide a comfortable grip for long-term use.This hand tool is for professional in DIY hand-making, household maintenance, and most general repairs.