Irwin 394002 - 5 Piece Bolt-Grip Expansion Set

•  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
• 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

Will remove the following bolt sizes:

• 8mm, 10mm, 13mm, 19mm, 5/16", 11/16", & 3/4"