Klein 600-6 5/16" x 6" Cushion-Grip Screwdriver, Square-Shank

5/16" Keystone-Tip Screwdriver - 6" Heavy-Duty Square-Shank. Cushion-Grip handle allows for greater torque and comfort. Patented Tip-Ident quickly identifies the type of screwdriver and screwdriver tip orientation. Premium chrome plated for smooth feel and corrosion resistance. 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. Heavy-duty square shank for wrench-assisted turning. Bolster reinforces shank for hard use. Designed for the most demanding uses. Overall Length: 10-15/16" (278 mm). Shank Length: 6" (152 mm). Shank Tip Width: 5/16" (8 mm).