Southwire Tools & Equipment SD3/16CRD 3/16-Inch Cabinet Tip Crank Screwdriver Our screwdrivers are designed from the highest quality tempered steel and are manufactured to ensure that they fit screw openings precisely Comfortable cushioned grip allows firm grip and greater torque Integral flanges provide a solid, twist-resistant blade anchor Chrome-plated stainless steel shaft allows for maximum torque with minimal shaft twisting Handle end is marked for easy identification of tip type and size