• Deep well design fits over exposed studs and reaches recessed fasteners
• Reduced profile head enables use in confined spaces
• 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
• 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
• Set includes plastic case