www.pmmag.com/articles/96910-irwin-tools-bolt-grip-extractors

Irwin Tools bolt-grip extractors
December 10, 2014

Irwin’s Impact Performance Series’ Bolt-Grip Extractors feature reverse spiral flutes engineered to provide maximum gripping power to easily remove the most stubborn of broken, damaged or rusted nuts, bolts and screws. They’re manufactured with high carbon steel, ensuring longer life and greater durability. The universal lobular design fits all types of fasteners.