5 Piece BOLT-GRIP[TM] High Carbon Steel 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-Inch 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