multicraft screwdrivers for Torx® screws for the toughest jobs in industry, garages and repair shops precise, true-to-size tips, optimal fit in the screw heads convex handle, structured surface, ensures a firm grip also in oily hands high-quality materials used, impact-resistant and oil/gasoline resistant sizes 27 to 40 with hexagonal bolster for use with a wrench special alloy based on spring steel, exceptional elasticity coupled with with high hardness laser-marked serial number, lifetime guarメーカー公称