The Stanley slotted screwdriver has a slotted tip that is cross ground for a consistent fit. Use a wrench on this hex bolster for added torque. Heat treated alloy steel bar is fully ground and polished, then chrome plated for corrosion resistance. Deep fluted acetate handle stands up-to heavy duty industrial use. Flanges on the blade inside the handle provide a solid, twist-resistant blade. Bolster reinforced construction.