IBX1062 Features: * When you are faced with a rounded-off, rusted-tight or painted-over bolt, bolt extractors will break 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 * 9 Piece Fractional Bolt Extractor Set Includes: * 3/8" 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. Set includes bolt extractors to remove bolt sizes: 8mm, 11mm, 14mm, 16mm, 19mm, 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4". Packaged in a plastic case. Warranty: * Lifetime warranty does not cover abuse