Klein Tools 646-5/16 5/16-Inch Nut Driver, Made in USA, with 6-Inch Hollow Shaft and Cushion Grip Handle;

The Klein 646-5/16 Cushion-Grip Hollow-Shank Nut Driver has a Cushion-Grip handle for greater torque and comfort, and a full hollow shaft that facilitates work on stacked circuit boards or other long bolt applications. Other features include: Internal flanges provide solid, twist-resistant shaft anchor; Premium chrome-plated for smooth feel and corrosion resistance; Meets or exceeds applicable ASME/ANSI specifications; Handle end is color-coded for easy identification; Patented Tip-Indent quickly identifies nut driver and size; Reaches into deep recesses; Fits over extra-long bolts and studs. Color Code: Yellow. Hex Size: 5/16-Inch. Overall Length: 9-3/4-Inch. Shank Length: 6-Inch. Weight: 0.25-Pound. Safety warnings: Always wear approved eye protection. NOT insulated- will NOT protect against electrical shock.