10pc Screw Extractor and Cobalt Left Hand Drill Bit Set,Bolt and Stud Removers

Extraction bits easily remove broken screws, studs, bolts and other fittings Left-handed drill bits are made from cobalt fortified high speed steel for increased durability and service life Spiral flutes on screw extractors dig into the screw, increasing grip as torque is applied Comes in a durable metal index carry case for organization and storage; Sizes are clearly labeled Set includes: 5/64", 7/64", 5/32", 1/4", 19/64"; Matching Alloy Extractors: #1, #2, #3, #4, #5