The Irwin Bolt-Grip Expansion Set removes rounded-off, rusted, or painted-over bolts that standard sockets cannot grip. Reverse spiral flutes bite down on the fastener as you turn, providing maximum gripping power. Made from high carbon steel for long life, these extractors feature a universal lobular design that fits all fastener types.

• Removes rounded-off, rusted, and painted-over bolts
• Reverse spiral flutes bite down for maximum gripping power
• Universal lobular design fits all fastener types
• High carbon steel construction for durability
• 3/8" square drive for use with ratchets and impact wrenches
• Hex flats for use with pliers
• 5-piece set