#3 Square Recess Tip Screwdriver with 4-Inch Round Shank and Cushion Grip Handle Klein Tools 663 Works on most combination head receptacle, switch and panel screws Tip-Ident color-coded handle end quickly identifies the screwdriver type and tip orientation Special heat-treated, chrome plated shaft for corrosion resistance Cushion-Grip handle for greater torque and comfort Internal flanges inside handle provide solid, twist-resistant blade anchor