Kauplus SAE Stud Remover Tool Set, 4PCS- 3/8, 7/16, 1/4 5/16

Use with a breaker bar, or ratchet, or wrench, not intended for use with any impact tools. CR-MO SAE Stud Extractor allows removal and installation of studs without damaging threads. Idea for removes the SAE Stud/Broken, Rounded Off, Painted Over, and Rusted Tight Bolts in difficult work areas.