The Stud Extractor is used to remove seized or broken studs and bolts. Designed to fit into small areas, where studs may be hard to reach. Made out of high-grade, heat-treated alloy steel. Chrome finish for additional rust protection and aesthetic appeal. Use with a 0.38 in. impact wrench, on low. Stud Extractor is used to remove seized or broken studs and bolts. Designed to fit into small areas, where studs may be hard to reach. Made out of high-grade, heat-treated alloy steel. Chrome finish for additional rust protection and aesthetic appeal. Use with an impact wrench, on low