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.
![5/16" Keystone Driver Square Shank](/vendors/3794/large/6006.jpg "5/16" Keystone Driver Square Shank")
