Complete five-piece screw extractor set. Designed for removing broken screws and threaded bolts from threaded holes without damaging the surrounding component.The double-edged extractors cover threads from M5 to M20. The set is supplied in a metal box for protected and organised storage.Key features For extracting broken screws or threaded bolts from threaded holes without causing damage - salvage high-quality products Assortment of screw extractors for screws M5 to M20 (5-piece) Can be used for right-hand and left-hand threads Material: CrV steel, hardened Surface finish: zinc-phosphated, polished cutting surface Service life varies depending on the hardness of the mating material Pre-drill the screw to be removed with a suitable drill bit