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. * 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. * Model No. AK751 https://elecena.pl/product/27196580/sealey-ak751-bolt-stud-amp-screw-extractor-set-18pc 2024-11-09 https://elecena.pl/product/27196580/sealey-ak751-bolt-stud-amp-screw-extractor-set-18pc 2024-11-23 https://elecena.pl/product/27196580/sealey-ak751-bolt-stud-amp-screw-extractor-set-18pc 2025-02-18 https://elecena.pl/product/27196580/sealey-ak751-bolt-stud-amp-screw-extractor-set-18pc 2025-09-12