SwissGrip screwdrivers, with hexagonal wrench section and through-tang blade for Phillips screws easy-to-use with the toughest jobs in industry, garages and repair shops with hexagonal bolster for transmitting high torques and loosening seized screw with full through-tang blade, for the effective transfer of impact energy convex handle with soft surface, pleasant grip and high torque transmission special alloy based on spring steel, exceptional elasticity coupled with with high hardness laser-maメーカー公称