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. Chrome-plated shaft helps prevent corrosion. Internal flanges provide solid, twist-resistant shaft anchor. Meets or exceeds applicable ASME / ANSI specifications. Reaches into deep recesses. Fits over extra-long bolts and studs.