Klein Tools 600-6 5/16-Inch Keystone Screwdriver, 6-Inch Square Shank

Klein Tool’s 5/16-Inch (8 mm) Keystone Screwdriver with 6-Inch square shank is designed for the most demanding uses. It has a Cushion-Grip handle for greater torque and comfort. Meets or exceeds applicable ASME / ANSI specifications and has Tip-Ident that quickly identifies the screwdriver type and tip orientation.

Heavy-duty square shank for wrench-assisted turning
Bolster reinforces shank for hard use
Designed for the most demanding uses
Cushion-Grip handle for greater torque and comfort and premium chrome-plated for smooth feel and corrosion resistance
Made in USA
Internal flanges inside handle provide solid, twist-resistant blade anchor
Special heat-treated shafts
Precision-machined tip for exact fit
Meets or exceeds applicable ASME / ANSI specifications
Tip-Ident quickly identifies the screwdriver type and tip orientation