Powerbuilt Stud Extractor Tool, Remove 1/4" to 3/4" Nuts, Broken, or Seized Studs, Grip Damaged Bolts- 648639, Silver
For removing broken or seized studs, bolts, etc. from1/4" to 3/4" diameter. Knurled roller uses cam action tog rasp stud firmly while minimizing damage. Use with1/2" Dr. ratchet. Plated.