S/Driver Rd 3/8″ X 10″ H/Duty Vaco

Klein Tools BD410, Flat Head Screwdriver, 3/8 Inch by 10 Inch.
Keystone Tip with 10 Inch Square Shank and Comfordome Oversized handle is 35 percent larger than comparable screwdriver handles. Delivers up to 50 percent extra power to perform tough jobs with minimum effort. Tough amber, smooth Comfordome handle fits in the palm of the hand comfortably. Chrome-plated shaft helps prevent corrosion. Internal flanges provide solid, twist-resistant shaft anchor.