Overview Reviews Product Description This Irwin Hanson® power-grip 7-piece screw extractor set has a 1/4-inch hex shank that fits most drills and quick-change adapters.Each bolt extractor has a reverse spiral flute design that bites down to provide a high amount of gripping power.A high-carbon steel construction gives these screw extractors longer life and increased durability.When faced with a rounded-off, rusted-tight or painted-over bolt, these bolt extractors will help break it free.This set of bolt extractors includes a convenient plastic case for simple storage and transport. Irwin Tools Catalog Product Videos Custom Field Manufacturing country US Product Reviews Write a Review Write a Review × Irwin 7 Pc. Power-Grip® Screw & Bolt Extractor Set 394100 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *