OIT2547 Features: Smooth Comfordome handles fit the palm of the hand comfortably Internal flanges provide solid, twist-resistant shaft anchor Hollow shafts facilitate work on stacked circuit boards or other long bolt applications Chrome-plated shaft helps prevent corrosion Standard length works for most applications Opening Type: Hex Measuring System: Inch Material: Chrome-Vanadium Type: Nut Driver Price is for 1 Each Testing and approvals: Meets or exceeds applicable ANSI and MIL specifications. Color/Finish: Handles are color-coded for easy identification Finish: Nickel Chrome