IRWIN Bolt Extractor Set, 3/8in Drive, 9-Extractors

When you are faced with a rounded-off, rusted-tight or painted-over bolt, bolt extractors will break it free Hexagonal flats for use with flat wrench, pliers, adjustable wrench, sockets or VISE-GRIP locking pliers High carbon steel ensures longer life and greater durability Universal lobular design fits all types of fasteners 3/8 square drive for use with hand ratchets, impact wrenches, and air ratchets Set includes plastic case Reverse spiral flutes are designed to bite down to provide maximum gripping power