Full hollow shaft for work on stacked circuit boards or other long bolt applications. Allows for work in close quarters. Internal flanges provide solid, twist-resistant shaft anchor. Cushion-Grip handle allows for greater torque and comfort. Handle end is also color coded for easy identification.PRODUCT FEATURES:- Precision-machined tip provides accurate fit and torque without slippage - Tip-Ident® quickly identifies the screwdriver type and tip orientation - Cushion-Grip handle for greater torque and comfort - Premium chrome-plated for smooth feel and corrosion resistance - Internal flanges inside handle provide solid, twist-resistant blade anchor - Special heat-treated shafts - Meets or exceeds applicable ASME / ANSI specifications