multicraft screwdrivers, with hexagonal bolster for use with a wrench for Phillips screws for the toughest jobs in industry, garages and repair shops with hexagonal bolster for transmitting high torques and loosening seized screw parallel tip, optimum transmission of force, no cam-out convex handle, structured surface, ensures a firm grip also in oily hands high-quality materials used, impact-resistant and oil/gasoline resistant special alloy based on spring steel, exceptional elasticity coupledメーカー公称