General description The Bolt Extractor set is designed for effectively removing damaged bolts, screws, and studs. Made from durable alloy steel, this set is both sturdy and lightweight, making it a reliable choice for heavy-duty use. Technical specifications Material: Alloy steel Extractor sizes: Ranges from 1/8" to 7/8" Usage Ideal for removing frozen, broken, loose, and damaged screws and bolts. Features strong multi-plane teeth with a left-hand helix design for enhanced grip and faster threading. Spiral grooves increase grip and reduce drag during use.