Set of FESTA CrMo screw extractors 5 pcs

5-piece set of FESTA screw extractors, use: for extracting broken and bent screws, threaded rods..., pre-drilling required, thanks to the opposite helix, gradual drilling into the hole will result in unscrewing - or turning the bent part, for professional use, dimensions: 4, 4.5, 6, 7.5, 11 mm, practical plastic box for storage.