Irwin Industrial Tools 394001 Bolt-Grip Bolt Extractor Base Set, 5-Piece
When you are faced with a rounded-off, rusted-tight or painted-over bolt, the Irwin Industrial bolt-grip bolt extractor will break it free. The reverse spiral flutes are designed to bite down to provide maximum gripping power. The high carbon steel ensures longer life and greater durability and the universal lobular design fits all types of fasteners. It has a 3/8-inch square drive for use with hand ratchets, impact wrenches and air ratchets; hexagonal flats for use with flat wrench, pliers, adjustable wrench, sockets or vise-grip locking pliers