Vaco Hollow-Shaft Nut Drivers, 5/16 in, 9 5/8 in Overall L

Features: Smooth Comfordome handles fit the palm of the hand comfortably | Handles are color-coded for easy identification | Hollow shafts facilitate work on stacked circuit boards or other long bolt applications | Internal flanges provide solid, twist-resistant shaft anchor | Chrome-plated shaft helps prevent corrosion | Standard length works for most applications