. Koken Screw and Stud Pullers are available in SAE and Metric. They can be purchased individually or as a set. All Items  Koken ko4211m/5 Stud Extractor 1/2" Drive Metric Individually Or Set  Koken Stud Extractor 1/2" Dr. SAE - Individually Or Set  AST. Blind Bearing Puller  Back To Previous Page