Klein Tools 667-INS No.3 Insulated Square-Recess-Tip Screwdriver with 8-Inch Round-Shank Individually tested to exceed standards 8-Inch round shank with a square-recess tip Cushion-Grip handle for greater torque and comfort Patented Tip-Ident quickly identifies the type of screwdriver and tip orientation Shank Length: 8-Inch; Shank Tip Width: No.3; Overall Length: 12-1/4-Inch