Are you in trouble with stripped or stubborn screws?(1) Screw removal - Just Grip & Turn !! Removes screws with stripped or rusted heads or stubborn fasteners in seconds owing to the vertically-serrated jaws (Patented) -- much faster than a fluted screw extractor and simpler than vise grip pliers. Screw head size: dia. 3 - 9.5mm applicable. (2) General purposeGrips different shapes of object as Gripping Pliers with no slippage. Spring loaded for easy work. (3) Durable comfort grips Owing to T-shaped forging handles, the handle sleeve will not twist or slip off during heavy duty use.