Klein Tools BD308 5/16 Inch Flat Head Screwdriver with Keystone Tip, Made in USA, 8 Square Shank and Comfordome Handle

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, Weight: 0.4 pounds, Manufacturer: Klein Tools