Klein has the nut drivers professionals demand to get the job done. The full hollow shaft facilitates work on stacked circuit boards or other long bolt applications. Premium chrome-plated for smooth feel and corrosion resistance. The handle end is color coded for easy identification. The patented Tip-Ident® quickly identifies nut driver and size.PRODUCT FEATURES:- Standard length for most applications - Full hollow shaft fits over long bolts and studs - Internal flanges provide solid, twist-resistant shaft anchor - Handle end is also color coded for easy identification - Premium chrome plated for smooth feel and corrosion resistance - Meets or exceeds applicable ASME / ANSI specifications - Tip-Ident quickly identifies nut driver and size - Cushion-Grip handle allows for greater torque and comfort