Irwin 6 Piece Screw Extractor Spiral Set 53545

• Aggressive left-hand spiral design provides extra gripping power
• Designed for the removal of broken studs, bolts, socket screws and fittings
• Constructed of high carbon steel for strength under stressful conditions
• Extractor size and recommended drill bit size are etched on each extractor
• To remove a 3/32" to 5/32" use extractor Ex-1 and use drill bit 5/64"
• To remove a 5/32" to 7/32" use extractor Ex-2 and use drill bit 7/64"
• To remove a 7/32" to 9/32" use extractor Ex-3 and use drill bit 5/32"
• To remove a 9/32" to 3/8" & 1/8" pipe use extractor Ex-4 and use drill bit 1/4"
• To remove a 3/8" to 5/8" & 1/4" pipe use extractor Ex-5 and use drill bit 19/64"
• To remove a 5/8" to 7/8" use extractor Ex-6 and use drill bit 3/4"