This NEIKO USA 15pc Titanium Nitride Coated Left-Hand Drill Bit Set is just what you need for extracting broken bolts.

SPECS:
• High Speed Steel M2
• Long Lasting Titanium Nitride Coated
• Penetrate up to 75% Faster
• 135 Degree Split Point Design
• Fractional Size: 1/16" To 1/2" By 1/32ths
• Includes a Metal Case
  

Product SKU: 10037A