[Screw extractor set] Includes 6 extractor heads: 0#, 1#, 2#, 2#, 3#, 4#, suitable for common screws and bolts of any size. A matching plastic box for your convenience [High quality] Made of high quality HSS 4341 steel, with super high strength, not easy to damage, higher efficiency and longer service life [Easy to use] Use a drill head to drill a deep hole in the head of the screw, then REVERSE the screw extractor counterclockwise into the damaged screw. Low speed works best for extraction [Perfect Working] The screw extractor kit is used to remove stubborn damaged/embedded/rusted/painted screws and bolts in panels walls, wood and metal [Applicable] Compatible with all brands of electric drills and screwdriver handles tools, suitable for all homeowners, carpenters, mechanics, artists, hobbyists, etc. Color:6 Pieces. 6pcs ECHG screwdriver bits, screwdriver accessories, screw extractor, damaged screw remover, bolt extractor, made from HSS 4341, Easily Remove Stripped or Damaged Screws Features: Applies to all drill bits: these screw extractor tools (#1/#2 / #3 / #4) are suitable for any drill bit and screw and any size of screw or bolt (3-12mm) High quality HSS: HSS is the material of ;favorite tool for entrepreneurs. The material is harder and more durable than most screw extractors on the market. Easy to use: Using a drill head, drill a deep hole in the head of the screw, then reverse the screw extractor counterclockwise into the damaged screw. Finally, remove the damaged screw. Powerful: The striped screw extractor removes even the most stubborn, stripped, damaged, encrusted, rusted and painted screws and bolts. How to use: 1. Set the drill bit to the lowest speed, insert the drill bit into the drill bit, then rotate it counterclockwise. Until a hole is screwed into the damaged screw. 2. Rotate the drill bit and, while slowly applying forward pressure, slowly use the extractor to remove the screw counterclockwise. Then tighten the screws. Specification: Weight: 80G Material: HSS 4341 Size: #0, #1, #2, #3, #4 0 # Remover extractor diameter: 2-4 mm 1 # Remover extractor diameter: 3-5 mm 2# remover extractor diameter: 4-8mm 3# extractor diameter: 5-10mm 4# Remover Extractor Diameter: 6-12mm Package Content: 6 x Screw Extractor