Irwin Hanson, 394002, Expansion Set, Measurement System: Metric/Imperial, For Use With: Hand Ratchetings, Impact Wrenches, Air Ratchetings, Flat Wrench, Pliers, Adjustable Wrench, Sockets and VISE-GRIP Locking Pliers, 5 Piece, Specifications: 3/8 in Square Drive, Carbon Steel

ITEM FEATURES:

• 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 in 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