Stark 9PCS Jumbo Screw Extractor Spiral Flute Easy Remover Bolt Stud (5/64" - 1-1/16")Wooden Case

Designed to remove broken studs, bolts, socket screws, fittings, stripped screws and other fasteners Spiral flutes are designed to embed themselves deeper into the metal as you turn the tool, so as the fastener resistance increases, the extractor's grip increases Aggressive left hand spiral design for extra gripping power Extractor size and recommended drill bit size are etched on each tool; Heat-treated carbon steel provides superior durability Package Include - 9-Pieces Spiral Flute Screw Extractors (5/64, 7/64, 5/32, 1/4, 17/64, 13/32, 17/32, 13/16 and 1-1/16" inch) and Wooden Storage Case