GEARWRENCH Bolt Biter Screw Extractors are designed with tapered side and tip cutting edges that work together to grip and turn the most stubborn fasteners. 

Features:

• Tapered side and tip cutting edges for powerful and consistent extraction
  
• High strength steel provides up to 50 times longer life
  
• Bi-directional design loosens or tightens damaged fasteners
  
• Hex base design is compatible with hand and power tools
  
• High-visibility laser markings for easy size identification
  
• 5 sizes of extraction drill bits included for removal needs from start to finish
  
• GEARCASE storage case, customizable, stackable to save space
  
• Black oxide coating provides superior corrosion resistance
  
• For Use on Screw Sizes : ≤ 1/4” (M5 - M6)5/16" - 3/8" (M8 - M10)7/16" - 1/2" (M12 - M14)9/16" - 5/8" (M14 - M16)3/4" (M18 - M20)