Irwin POWER-GRIP 394100 Bolt Extractor Set, 7-Piece, HCS, Black Oxide, Specifications: Reverse Spiral Flute

Extract rounded off, rusted tight or painted-over bolts. 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 bolt extractors to remove bolts size of 8 mm, 10 mm, 11 mm, 3/16 in, 1/4 in, 5/16 in, 3/8 in, 7/16 in, 1/2 in with 1/4 in drive. Plastic case.

• 1/4 in hex shank fits most power tools
• 1/4 in hex shank fits most power tools
• When you are faced with a rounded off, rusted tight or painted over bolt, this 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