7-pc POWER-GRIP STRIPPED SCREW, NUT & BOLT EXTRACTOR SET 1/4" hex shank fits most power tools & nut drivers When you are faced with a rounded-off, rusted-tight or painted-over bolt, bolt extractors will break it free Reverse spiral flutes are designed to bite down to provide maximum gripping power High carbon steel ensures longer life and greater durability Universal lobular design fits all types of fasteners ***Free Shipping is for Priority Mail Only***