Klein screwdrivers give professionals extra-quality features that have made the Klein name famous for hand tools-features that assure greater convenience, comfort and efficiency in use, plus exceptional strength and durability. All Klein drivers are made of the highest quality tempered steel, carefully heat-treated for maximum strength. Shafts have integral flanges that provide an extra-strong, torque-proof anchor in the handle. Strong, durable black tips are forged and precision ground with square edges to fit screw openings securely. They resist slippage and provide positive turning action.Features Nickel-chrome, precision-forged and polished blades with black tips Oversized handle is 35-percent larger than comparable screwdriver handles Made in USA Tough amber, smooth Comfordome handle fits in the palm of the hand comfortably Screwdriver has oversized handle that is 35-percent larger than comparable screwdriver handles and delivers up to 50-Percent extra power to perform tough jobs with minimum effort Internal flanges provide solid, twist-resistant shaft anchor Delivers up to 50-percent extra power to perform tough jobs with minimum effort Meets or exceeds applicable ASME / ANSI specifications Chrome-plated shaft helps prevent corrosion Warnings Always wear approved eye protection. Do NOT use to pry or chisel. NOT insulated. Will NOT protect against electrical shock. Tip Size: 5/16 in (7.9 mm) Shank Length: 6 in (15.2 cm) Shank Type: Square Tip Type: Keystone Overall Length: 11.188 in (28.4 cm) Weight: 0.3500 lbs (5.6 oz) Material: Steel, Tempered, Nickel-Chrome Finish Handle Material: Plastic Handle Color: Yellow, Amber Magnetic: No Insulated: No Depth: 11.188 in Width: 1 in Height: 1 in Country of Origin: United States DownloadsSpec SheetVideo DownloadVideo Download