Quality Chrome Vanadium Steel Construction Built from durable chrome vanadium steel for longlasting strength and reliability Resistant to wear, damage, and deformation even under heavy use Universal Compatibility 3/8 inch square drive port fits most standard drive tools Suitable for manual ratchets, pneumatic impact wrenches, adjustable wrenches, and flat head wrenches Versatile Application Range Effectively grips and removes studs from 1/4 inch to 1/2 inch in diameter Works on exhaust manifold bolts, fuel plugs, broken bolts, painted fasteners, and rusted set screws Designed for both professionals and DIY users Efficient Bolt and Stud Removal Simple operation: position the extractor over the bolt, tighten jaws by turning the bottom hex flat nut counterclockwise Once secured, continue counterclockwise rotation to remove the bolt or stud Easily release the fastener by turning clockwise after removal Ideal Use Scenarios Quickly remove damaged bolts during automotive repairs Restore old machinery by extracting rusted or seized studs Save time on maintenance tasks where fasteners are broken, painted over, or corroded This bolt extractor combines robust construction, wide tool compatibility, and efficient performance, making it a dependable solution for removing damaged, rusted, or stuck fasteners.