Fluted type extractors that provide a solid grip on broken studs and screws.
These screw extractors do not expand the screw while turning and their special design ensures a positive grip when driving into the drilling out hole.
Drill size is stamped on each extractor for ease of identification.
Size of screw: 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 14mm.