Screwdriver, 3/16-Inch Cabinet-Tip Rapi-Driv, with 4-Inch Shank Klein Tools 670-3 Crank-action handle spins screws fast with one hand Premium chrome-plated for smooth feel and corrosion resistance Internal flanges inside handle provide solid, twist-resistant blade anchor Special heat-treated shafts Meets or exceeds applicable ASME / ANSI specifications