18 Piece Bolt Stud & Screw Extractor Set - Chromoly Steel - Storage CaseOverview: Comprehensive set including Chrome Molybdenum screw and bolt extractors and Vanadium stud extractors. Screw-type has left-hand threads for removing recessed bolts/studs. Bolt type features reverse spiral flutes which bite down on rounded off bolts. Stud type includes three internal rollers, clamping down and gripping stud, allowing removal/installation. Suitable for professional workshop. Supplied in storage case.Features: Comprehensive set including Chrome Molybdenum screw and bolt extractors and Vanadium stud extractors. Screw-type has left-hand threads for removing recessed bolts/studs. Bolt type features reverse spiral flutes which bite down on rounded off bolts. Stud type includes three internal rollers, clamping down and gripping stud, allowing removal/installation. Contents: 3/8"Sq Drive Bolt Extractor Set; 10, 11, 12, 13, 14, 15, 16, 17, 19mm, Screw Extractor Set; M14-M18, M11-M14, M8-M11, M6-M8, M3-M6, 1/2"Sq Drive Stud Extractor Set; 6, 8, 10, 12mm. Suitable for professional workshop. Supplied in storage case. Specification: Contents - 3/8"Sq Drive Bolt Extractor Set; 10, 11, 12, 13, 14, 15, 16, 17, 19mm, Screw Extractor Set; M14-M18, M11-M14, M8-M11, M6-M8, M3-M6, 1/2"Sq Drive Stud Extractor Set; 6, 8, 10, 12mm Net Weight - 1.68kg Further Information: We sell a wide variety of tools & workshop equipment for both the DIY and Professional markets. With well over 10,000 lines of equipment suiting all jobs big or small, our online store has it all. If you can’t quite find what you are looking for, please feel free to contact us and we’ll be more than happy to help.Alias: ys01814