OIT2571 Features: Smooth Comfordome handles fit the palm of the hand comfortably 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 Powerful nut-holding magnet built into shank Opening Type: Hex Material: Chrome-Vanadium Testing and approvals: Meets or exceeds applicable ANSI and MIL specifications. Color/Finish: Handles are color-coded for easy identification Finish: Nickel Chrome