General description This 11-piece Broken Screw Extractor Kit is specifically designed to remove damaged, rusted, or stripped screws, bolts, and fasteners. The drill bits are crafted from high-speed steel, ensuring high hardness and durability, allowing them to drill through most screws effectively. The tool steel extractors feature a left-handed spiral flute that provides extra gripping power for efficient extraction. Technical specifications Material: High-speed steel Includes: 11 pieces Installation Drill a hole in the center of the broken screw using a suitable drill bit. Use the appropriate extractor to remove the screw. The kit includes a tap to hold the extractor firmly. For larger extractors, an adjustable wrench can be used.