Klein Tools Keystone-Tip Screwdrivers are designed for demanding applications with a bolster reinforced shank for hard use. The precision machined tip provides an exact fit. Durable cushion-grip handles are designed for comfort and added torque.PRODUCT FEATURES:- Heavy-duty square shank for wrench-assisted turning- Bolster reinforces shank for hard use- Designed for the most demanding uses- 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- Precision-machined tip for exact fit- Meets or exceeds applicable ASME / ANSI specifications- Tip-Ident quickly identifies the screwdriver type and tip orientation