The Klein Tools 603-10 Phillips Screwdriver has a 10-inch round shank. The Cushion-Grip™ handle allows for greater torque and comfort. Integral flanges inside the handle provide a solid, twist resistant blade anchor. The handle is premium chrome plated for smooth feel and corrosion resistance. With special heat treated shafts, it features a precision machined tip for exact fit. The patented Tip-Ident® quickly identifies the type of screwdriver and screwdriver tip orientation. It meets or exceeds applicable ASME/ANSI specifications.