irwin tools power-grip screw and bolt extractor set, 7-piece (394100)

This screw extractor set has a 1/4-inch hex shank that fits most drills and quick-change adapters*High-carbon steel construction gives each bolt extractor longer life and increased durability*This set of bolt extractors includes a convenient plastic case*These screw extractors have reverse spiral flutes that bite down to provide a high amount of gripping power*Universal lobular design fits virtually all types of fasteners*This screw extractor set has a 1/4-inch hex shank that fits most drills and quick-change adapters*High-carbon steel construction gives each bolt extractor longer life and increased durability*This set of bolt extractors includes a convenient plastic case*These screw extractors have reverse spiral flutes that bite down to provide a high amount of gripping power*Universal lobular design fits virtually all types of fasteners