The 8 piece screwdriver set features a general purpose selection of the most frequently used screwdrivers. Tip-Ident® quickly identifies the screwdriver type and tip orientation. Internal flanges inside handle provide solid, twist-resistant blade anchor. The tips are precision-machined for the exact fit you expect Klein Tools. Made in USA Screwdriver Set with 8 Cushion-Grip™ Screwdrivers, 1/4-Inch (6.4 mm) , 5/16-Inch (7.9 mm) Keystone, 5/16-Inch (7.9 mm) and 3/16-Inch (4.8 mm) Cabinet Tip, #1, #2, #3 Phillips, #2 Phillips Stubby These screwdrivers are a general-purpose selection of the most frequently used screwdriver tips and sizes Tip-Ident® quickly identifies the screwdriver type and tip orientation Premium chrome-plated for smooth feel and corrosion resistance and precision-machined tip for exact fit Cushion-Grip™ handles for greater torque and comfort Internal flanges inside handle provide solid, twist-resistant blade anchor Special heat-treated shafts for added durability Meets or exceeds applicable ASME / ANSI specifications