Profilated(TM) No.1 Phillips-Tip Screwdriver with round 3" shank. Tips are precision-machined to provide a more consistent geometric symmetry than conventional Phillips-tip screwdrivers. Provides accurate fit and torque without slippage. Cushion Grip handle allows for greater torque and comfort. Integral flanges inside handle provide solid, twist resistant blade anchor. Special heat treated shafts. Precision machined tip for exact fit. Premium chrome plated for smooth feel and corrosion resistance. Patented Tip-Ident(TM) quickly identifies the type of screwdriver and screwdriver tip orientation. Meets or exceeds applicable ASME / ANSI specifications.