guide 5 pgs/set guide to joint drill extractor damaged bolt extractor broken speed easy outside the prisoner screw removing tool

features: high durable materials 12305l: made from hss 4341 35;, hardness is 62-63hrc, toughness stronger than ordinary steel. ensure durable and stable high efficiency product for you. use set 12305;: the 5-piece (35;1, 35;2, 35;3, 354, 35;2) extractor set screw (extra 35;2 for back-up) can work with any drill and any size of the screw or screw. it is compatible with several types of screws. easy to use *12305;: the extractor set screw is easy to extract the rusted, spinni