• Bolt, Stud or Screw Size: 9/16" - 3/4"
• Drill Size: 7/64"
• Pipe Size: 1/8" - 1/4"
• "Screw Extractor - 3/4"
• MADE IN USA

Instructions: Drill a hole in the broken part, insert the extractor, and turn. The part will back out without damaging the threads around it.