7Pc Screw Extractor Tap Set Machinist Shop Repair Tools This is a new 7 piece screw extractor set Used for removing broken screws and bolts The tap has knurled handles to provide a firm grip Jaw capacity is 1/16" to 1/2" (2 to 12 mm) Comes with 5 extractors that can be used in holes measuring 3/16" to 1/2" (5 to 12 mm)