Proto® Slotted Square Shank Screwdriver: Broad line of professional screwdrivers offers a variety of shapes, sizes, and tips configurations to handle almost any screw turning operation. Proto insulated screwdrivers are tested to 10,000 volts.
Length: 8 1/4-inch
Tip Size: 1/4-inch Width
Shank Type: Square
Shank Size: 1/4-inch Diameter x 4-inch Length
Square shank to permit use of a wrench for added leverage
Cross ground for consistent fit
Tip is precise width and thickness to fit screw slot