For slotted screws easy-to-use with the toughest jobs in industry, garages and repair shops with hexagonal wrench section for applying higher torques and loosening tight screws with going-through blade, for the effective transfer of impact energy can be safely used as a chisel with soft to medium-hard materials 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-marked serial number, lifetime guarantee