S/Driver Rd 3/16 X 4 Vaco

Klein Tools A216-4, 1/8 Inch Cabinet Tip Flat Head Screwdriver.
Flat Head Screwdriver with 4 Inch Round Shank and Comfordome Handle with Small diameter shank for use in recessed holes or tight places. Well suited for electrical and telecommunications work. 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.