40pc SAE Standard Tap & Die Set w/ Case Screw Extractor Remover Kit Thread NEW 40 PC SAE Tap & Die Dies Set Bolt Screw Extractor 4-40 6-32 8-32 10-32 10-24 12-24 1/4-20 1/4-28 5/16-18 5/16-24 3/8-16 3/8-24 7/16-14 7/16-20 1/2-13 1/2-20 1/8