10 Pc. 1/2" Drive Bolt Biter™ Deep Extraction Socket Set
IRWIN Bolt-grip 5-Pack Metric and Standard (Sae) Assorted drive Bolt Extractor Set in the Bolt Extractors department at Lowes.com
Spurtar Stud Remover Fit 1/4" to 3/4" (6 to 19mm) Bolt Extractor Nut Splitter With Knurled Roller and Cam Lock, Stud Extractor Tool For Broken Bolt Remover or Seized Studs - - Amazon.com