Irwin Hanson 3101010 48-Piece Master Extractor Kit with Cobalt Left-Hand Drill Bits - Perfect for Automotive, Metalworking & DIY Repairs

Remove nuts, bolts, studs that are rounded off, rusted, painted over or just impossible to remove. These extractors are made of high carbon steel with left-hand spiral teeth for maximum gripping power. Slim designs fit into recessed areas and can be used with a socket, wrench, or Vise-Grip .

• 6 Spiral Flute Extractors: EX-1, EX-2, EX-3, EX-4 , EX-5 , EX-6 
• 13 Multi-Spline Extractors for use when higher torque or a lower profile tool is needed: 1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 7/16" , 15/32", 1/2" 
• 13 Bolt Extractors For use when part of the fastener is exposed: 1/4", 5/16"-8mm, 3/8", 10mm, 7/16"-11mm, 12mm, 1/2", 13mm, 9/16"-14mm, 5/8" 16mm, 17mm, 11/16", 3/4"-19mm 
• 16 Left-Hand Cobalt Drill Bits Use these to drill out the interior of the fastener. They often extract the fastener by themselves: 5/64", 7/64", 1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 19/64", 5/16", 11/32", 3/8", 13/32", 7/16", 15/32", 1/2"